Home / 11,061.51-15,265.25-6,281.66

Finding the Fourth Proportional to 11,061.51, 15,265.25 and 6,281.66

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Solution

The fourth proportional to 11,061.51, 15,265.25 and 6,281.66 is: 8,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061.51 : 15,265.25 = 6,281.66 : x
  2. Step 2: Convert to fraction form
    11,061.51/15,265.25 = 6,281.66/x
  3. Step 3: Cross multiply
    11,061.51x = 15,265.25 × 6,281.66
  4. Step 4: Simplify right side
    11,061.51x = 95,891,140.63
  5. Step 5: Solve for x
    x = 95,891,140.63/11,061.51
  6. Step 6: Final answer
    x = 8,668.90

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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.