Home / 10,947.16-15,108.56-6,473.53

Finding the Fourth Proportional to 10,947.16, 15,108.56 and 6,473.53

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Solution

The fourth proportional to 10,947.16, 15,108.56 and 6,473.53 is: 8,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.16 : 15,108.56 = 6,473.53 : x
  2. Step 2: Convert to fraction form
    10,947.16/15,108.56 = 6,473.53/x
  3. Step 3: Cross multiply
    10,947.16x = 15,108.56 × 6,473.53
  4. Step 4: Simplify right side
    10,947.16x = 97,805,716.42
  5. Step 5: Solve for x
    x = 97,805,716.42/10,947.16
  6. Step 6: Final answer
    x = 8,934.35

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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.