Home / 11,185.42-15,436.02-6,150.19

Finding the Fourth Proportional to 11,185.42, 15,436.02 and 6,150.19

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Solution

The fourth proportional to 11,185.42, 15,436.02 and 6,150.19 is: 8,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.42 : 15,436.02 = 6,150.19 : x
  2. Step 2: Convert to fraction form
    11,185.42/15,436.02 = 6,150.19/x
  3. Step 3: Cross multiply
    11,185.42x = 15,436.02 × 6,150.19
  4. Step 4: Simplify right side
    11,185.42x = 94,934,455.84
  5. Step 5: Solve for x
    x = 94,934,455.84/11,185.42
  6. Step 6: Final answer
    x = 8,487.34

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Half scale
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Double scale
Find fourth proportional to 11,186.42, 15,437.40 and 6,151.19
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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.