Home / 8,737.90-12,059.32-5,201.08

Finding the Fourth Proportional to 8,737.90, 12,059.32 and 5,201.08

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Solution

The fourth proportional to 8,737.90, 12,059.32 and 5,201.08 is: 7,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.90 : 12,059.32 = 5,201.08 : x
  2. Step 2: Convert to fraction form
    8,737.90/12,059.32 = 5,201.08/x
  3. Step 3: Cross multiply
    8,737.90x = 12,059.32 × 5,201.08
  4. Step 4: Simplify right side
    8,737.90x = 62,721,488.07
  5. Step 5: Solve for x
    x = 62,721,488.07/8,737.90
  6. Step 6: Final answer
    x = 7,178.10

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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.