Home / 10,232.98-15,274.77-8,781.46

Finding the Fourth Proportional to 10,232.98, 15,274.77 and 8,781.46

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Solution

The fourth proportional to 10,232.98, 15,274.77 and 8,781.46 is: 13,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,232.98 : 15,274.77 = 8,781.46 : x
  2. Step 2: Convert to fraction form
    10,232.98/15,274.77 = 8,781.46/x
  3. Step 3: Cross multiply
    10,232.98x = 15,274.77 × 8,781.46
  4. Step 4: Simplify right side
    10,232.98x = 134,134,781.76
  5. Step 5: Solve for x
    x = 134,134,781.76/10,232.98
  6. Step 6: Final answer
    x = 13,108.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.