Home / 10,663.32-14,715.14-6,187.46

Finding the Fourth Proportional to 10,663.32, 14,715.14 and 6,187.46

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Solution

The fourth proportional to 10,663.32, 14,715.14 and 6,187.46 is: 8,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.32 : 14,715.14 = 6,187.46 : x
  2. Step 2: Convert to fraction form
    10,663.32/14,715.14 = 6,187.46/x
  3. Step 3: Cross multiply
    10,663.32x = 14,715.14 × 6,187.46
  4. Step 4: Simplify right side
    10,663.32x = 91,049,340.14
  5. Step 5: Solve for x
    x = 91,049,340.14/10,663.32
  6. Step 6: Final answer
    x = 8,538.55

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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.