Home / 10,254.80-15,372.60-8,032.40

Finding the Fourth Proportional to 10,254.80, 15,372.60 and 8,032.40

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Solution

The fourth proportional to 10,254.80, 15,372.60 and 8,032.40 is: 12,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.80 : 15,372.60 = 8,032.40 : x
  2. Step 2: Convert to fraction form
    10,254.80/15,372.60 = 8,032.40/x
  3. Step 3: Cross multiply
    10,254.80x = 15,372.60 × 8,032.40
  4. Step 4: Simplify right side
    10,254.80x = 123,478,872.24
  5. Step 5: Solve for x
    x = 123,478,872.24/10,254.80
  6. Step 6: Final answer
    x = 12,041.08

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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.