Home / 10,442.56-15,653.28-6,549.68

Finding the Fourth Proportional to 10,442.56, 15,653.28 and 6,549.68

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Solution

The fourth proportional to 10,442.56, 15,653.28 and 6,549.68 is: 9,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.56 : 15,653.28 = 6,549.68 : x
  2. Step 2: Convert to fraction form
    10,442.56/15,653.28 = 6,549.68/x
  3. Step 3: Cross multiply
    10,442.56x = 15,653.28 × 6,549.68
  4. Step 4: Simplify right side
    10,442.56x = 102,523,974.95
  5. Step 5: Solve for x
    x = 102,523,974.95/10,442.56
  6. Step 6: Final answer
    x = 9,817.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.