Home / 11,186.90-15,437.13-6,151.04

Finding the Fourth Proportional to 11,186.90, 15,437.13 and 6,151.04

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Solution

The fourth proportional to 11,186.90, 15,437.13 and 6,151.04 is: 8,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.90 : 15,437.13 = 6,151.04 : x
  2. Step 2: Convert to fraction form
    11,186.90/15,437.13 = 6,151.04/x
  3. Step 3: Cross multiply
    11,186.90x = 15,437.13 × 6,151.04
  4. Step 4: Simplify right side
    11,186.90x = 94,954,404.12
  5. Step 5: Solve for x
    x = 94,954,404.12/11,186.90
  6. Step 6: Final answer
    x = 8,488.00

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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.