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Finding the Fourth Proportional to 10,959.29, 15,119.65 and 6,706.93

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Solution

The fourth proportional to 10,959.29, 15,119.65 and 6,706.93 is: 9,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.29 : 15,119.65 = 6,706.93 : x
  2. Step 2: Convert to fraction form
    10,959.29/15,119.65 = 6,706.93/x
  3. Step 3: Cross multiply
    10,959.29x = 15,119.65 × 6,706.93
  4. Step 4: Simplify right side
    10,959.29x = 101,406,434.17
  5. Step 5: Solve for x
    x = 101,406,434.17/10,959.29
  6. Step 6: Final answer
    x = 9,253.01

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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.