Home / 8,501.25-11,737.38-5,319.36

Finding the Fourth Proportional to 8,501.25, 11,737.38 and 5,319.36

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Solution

The fourth proportional to 8,501.25, 11,737.38 and 5,319.36 is: 7,344.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.25 : 11,737.38 = 5,319.36 : x
  2. Step 2: Convert to fraction form
    8,501.25/11,737.38 = 5,319.36/x
  3. Step 3: Cross multiply
    8,501.25x = 11,737.38 × 5,319.36
  4. Step 4: Simplify right side
    8,501.25x = 62,435,349.68
  5. Step 5: Solve for x
    x = 62,435,349.68/8,501.25
  6. Step 6: Final answer
    x = 7,344.26

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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.