Home / 8,927.37-12,321-5,150.76

Finding the Fourth Proportional to 8,927.37, 12,321 and 5,150.76

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Solution

The fourth proportional to 8,927.37, 12,321 and 5,150.76 is: 7,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.37 : 12,321 = 5,150.76 : x
  2. Step 2: Convert to fraction form
    8,927.37/12,321 = 5,150.76/x
  3. Step 3: Cross multiply
    8,927.37x = 12,321 × 5,150.76
  4. Step 4: Simplify right side
    8,927.37x = 63,462,513.96
  5. Step 5: Solve for x
    x = 63,462,513.96/8,927.37
  6. Step 6: Final answer
    x = 7,108.76

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,928.37, 12,322.38 and 5,151.76
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.