Home / 10,276.18-15,418.13-6,118.58

Finding the Fourth Proportional to 10,276.18, 15,418.13 and 6,118.58

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Solution

The fourth proportional to 10,276.18, 15,418.13 and 6,118.58 is: 9,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.18 : 15,418.13 = 6,118.58 : x
  2. Step 2: Convert to fraction form
    10,276.18/15,418.13 = 6,118.58/x
  3. Step 3: Cross multiply
    10,276.18x = 15,418.13 × 6,118.58
  4. Step 4: Simplify right side
    10,276.18x = 94,337,061.86
  5. Step 5: Solve for x
    x = 94,337,061.86/10,276.18
  6. Step 6: Final answer
    x = 9,180.17

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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.