Home / 11,266.47-15,531.12-8,277.11

Finding the Fourth Proportional to 11,266.47, 15,531.12 and 8,277.11

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Solution

The fourth proportional to 11,266.47, 15,531.12 and 8,277.11 is: 11,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.47 : 15,531.12 = 8,277.11 : x
  2. Step 2: Convert to fraction form
    11,266.47/15,531.12 = 8,277.11/x
  3. Step 3: Cross multiply
    11,266.47x = 15,531.12 × 8,277.11
  4. Step 4: Simplify right side
    11,266.47x = 128,552,789.65
  5. Step 5: Solve for x
    x = 128,552,789.65/11,266.47
  6. Step 6: Final answer
    x = 11,410.21

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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.