Home / 10,522.40-14,520.90-5,806.68

Finding the Fourth Proportional to 10,522.40, 14,520.90 and 5,806.68

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Solution

The fourth proportional to 10,522.40, 14,520.90 and 5,806.68 is: 8,013.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.40 : 14,520.90 = 5,806.68 : x
  2. Step 2: Convert to fraction form
    10,522.40/14,520.90 = 5,806.68/x
  3. Step 3: Cross multiply
    10,522.40x = 14,520.90 × 5,806.68
  4. Step 4: Simplify right side
    10,522.40x = 84,318,219.61
  5. Step 5: Solve for x
    x = 84,318,219.61/10,522.40
  6. Step 6: Final answer
    x = 8,013.22

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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.