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Finding the Fourth Proportional to 8,503.79, 11,744.19 and 7,576.13

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Solution

The fourth proportional to 8,503.79, 11,744.19 and 7,576.13 is: 10,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.79 : 11,744.19 = 7,576.13 : x
  2. Step 2: Convert to fraction form
    8,503.79/11,744.19 = 7,576.13/x
  3. Step 3: Cross multiply
    8,503.79x = 11,744.19 × 7,576.13
  4. Step 4: Simplify right side
    8,503.79x = 88,975,539.55
  5. Step 5: Solve for x
    x = 88,975,539.55/8,503.79
  6. Step 6: Final answer
    x = 10,463.05

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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.