Home / 10,948.16-15,109.94-6,474.53

Finding the Fourth Proportional to 10,948.16, 15,109.94 and 6,474.53

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Solution

The fourth proportional to 10,948.16, 15,109.94 and 6,474.53 is: 8,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.16 : 15,109.94 = 6,474.53 : x
  2. Step 2: Convert to fraction form
    10,948.16/15,109.94 = 6,474.53/x
  3. Step 3: Cross multiply
    10,948.16x = 15,109.94 × 6,474.53
  4. Step 4: Simplify right side
    10,948.16x = 97,829,759.83
  5. Step 5: Solve for x
    x = 97,829,759.83/10,948.16
  6. Step 6: Final answer
    x = 8,935.73

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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.