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Finding the Fourth Proportional to 10,873.46, 15,001.76 and 7,515.06

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Solution

The fourth proportional to 10,873.46, 15,001.76 and 7,515.06 is: 10,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.46 : 15,001.76 = 7,515.06 : x
  2. Step 2: Convert to fraction form
    10,873.46/15,001.76 = 7,515.06/x
  3. Step 3: Cross multiply
    10,873.46x = 15,001.76 × 7,515.06
  4. Step 4: Simplify right side
    10,873.46x = 112,739,088.93
  5. Step 5: Solve for x
    x = 112,739,088.93/10,873.46
  6. Step 6: Final answer
    x = 10,368.29

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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.