Home / 10,668.52-14,718.42-6,478.12

Finding the Fourth Proportional to 10,668.52, 14,718.42 and 6,478.12

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Solution

The fourth proportional to 10,668.52, 14,718.42 and 6,478.12 is: 8,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.52 : 14,718.42 = 6,478.12 : x
  2. Step 2: Convert to fraction form
    10,668.52/14,718.42 = 6,478.12/x
  3. Step 3: Cross multiply
    10,668.52x = 14,718.42 × 6,478.12
  4. Step 4: Simplify right side
    10,668.52x = 95,347,690.97
  5. Step 5: Solve for x
    x = 95,347,690.97/10,668.52
  6. Step 6: Final answer
    x = 8,937.29

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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.