Home / 8,332.25-12,437.57-7,281.27

Finding the Fourth Proportional to 8,332.25, 12,437.57 and 7,281.27

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Solution

The fourth proportional to 8,332.25, 12,437.57 and 7,281.27 is: 10,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.25 : 12,437.57 = 7,281.27 : x
  2. Step 2: Convert to fraction form
    8,332.25/12,437.57 = 7,281.27/x
  3. Step 3: Cross multiply
    8,332.25x = 12,437.57 × 7,281.27
  4. Step 4: Simplify right side
    8,332.25x = 90,561,268.91
  5. Step 5: Solve for x
    x = 90,561,268.91/8,332.25
  6. Step 6: Final answer
    x = 10,868.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.