Home / 10,663.39-14,712.52-6,886.71

Finding the Fourth Proportional to 10,663.39, 14,712.52 and 6,886.71

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Solution

The fourth proportional to 10,663.39, 14,712.52 and 6,886.71 is: 9,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.39 : 14,712.52 = 6,886.71 : x
  2. Step 2: Convert to fraction form
    10,663.39/14,712.52 = 6,886.71/x
  3. Step 3: Cross multiply
    10,663.39x = 14,712.52 × 6,886.71
  4. Step 4: Simplify right side
    10,663.39x = 101,320,915.05
  5. Step 5: Solve for x
    x = 101,320,915.05/10,663.39
  6. Step 6: Final answer
    x = 9,501.76

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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.