Home / 9,924.49-13,695.57-6,387.70

Finding the Fourth Proportional to 9,924.49, 13,695.57 and 6,387.70

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Solution

The fourth proportional to 9,924.49, 13,695.57 and 6,387.70 is: 8,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924.49 : 13,695.57 = 6,387.70 : x
  2. Step 2: Convert to fraction form
    9,924.49/13,695.57 = 6,387.70/x
  3. Step 3: Cross multiply
    9,924.49x = 13,695.57 × 6,387.70
  4. Step 4: Simplify right side
    9,924.49x = 87,483,192.49
  5. Step 5: Solve for x
    x = 87,483,192.49/9,924.49
  6. Step 6: Final answer
    x = 8,814.88

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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.