Home / 10,378.52-15,553.16-4,522.84

Finding the Fourth Proportional to 10,378.52, 15,553.16 and 4,522.84

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Solution

The fourth proportional to 10,378.52, 15,553.16 and 4,522.84 is: 6,777.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.52 : 15,553.16 = 4,522.84 : x
  2. Step 2: Convert to fraction form
    10,378.52/15,553.16 = 4,522.84/x
  3. Step 3: Cross multiply
    10,378.52x = 15,553.16 × 4,522.84
  4. Step 4: Simplify right side
    10,378.52x = 70,344,454.17
  5. Step 5: Solve for x
    x = 70,344,454.17/10,378.52
  6. Step 6: Final answer
    x = 6,777.89

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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.