Home / 10,372.75-14,314.40-5,657.04

Finding the Fourth Proportional to 10,372.75, 14,314.40 and 5,657.04

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Solution

The fourth proportional to 10,372.75, 14,314.40 and 5,657.04 is: 7,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.75 : 14,314.40 = 5,657.04 : x
  2. Step 2: Convert to fraction form
    10,372.75/14,314.40 = 5,657.04/x
  3. Step 3: Cross multiply
    10,372.75x = 14,314.40 × 5,657.04
  4. Step 4: Simplify right side
    10,372.75x = 80,977,133.38
  5. Step 5: Solve for x
    x = 80,977,133.38/10,372.75
  6. Step 6: Final answer
    x = 7,806.72

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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.