Home / 10,372.60-15,541.80-5,982.40

Finding the Fourth Proportional to 10,372.60, 15,541.80 and 5,982.40

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Solution

The fourth proportional to 10,372.60, 15,541.80 and 5,982.40 is: 8,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.60 : 15,541.80 = 5,982.40 : x
  2. Step 2: Convert to fraction form
    10,372.60/15,541.80 = 5,982.40/x
  3. Step 3: Cross multiply
    10,372.60x = 15,541.80 × 5,982.40
  4. Step 4: Simplify right side
    10,372.60x = 92,977,264.32
  5. Step 5: Solve for x
    x = 92,977,264.32/10,372.60
  6. Step 6: Final answer
    x = 8,963.74

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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.