Home / 12,487.37-17,232.55-6,822.23

Finding the Fourth Proportional to 12,487.37, 17,232.55 and 6,822.23

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Solution

The fourth proportional to 12,487.37, 17,232.55 and 6,822.23 is: 9,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487.37 : 17,232.55 = 6,822.23 : x
  2. Step 2: Convert to fraction form
    12,487.37/17,232.55 = 6,822.23/x
  3. Step 3: Cross multiply
    12,487.37x = 17,232.55 × 6,822.23
  4. Step 4: Simplify right side
    12,487.37x = 117,564,316.37
  5. Step 5: Solve for x
    x = 117,564,316.37/12,487.37
  6. Step 6: Final answer
    x = 9,414.66

Related Problems

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Half scale
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Double scale
Find fourth proportional to 12,488.37, 17,233.93 and 6,823.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.