Home / 9,366.45-12,925.68-5,387.47

Finding the Fourth Proportional to 9,366.45, 12,925.68 and 5,387.47

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Solution

The fourth proportional to 9,366.45, 12,925.68 and 5,387.47 is: 7,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.45 : 12,925.68 = 5,387.47 : x
  2. Step 2: Convert to fraction form
    9,366.45/12,925.68 = 5,387.47/x
  3. Step 3: Cross multiply
    9,366.45x = 12,925.68 × 5,387.47
  4. Step 4: Simplify right side
    9,366.45x = 69,636,713.23
  5. Step 5: Solve for x
    x = 69,636,713.23/9,366.45
  6. Step 6: Final answer
    x = 7,434.70

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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.