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Finding the Fourth Proportional to 9,611.87, 13,265.18 and 7,060.59

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Solution

The fourth proportional to 9,611.87, 13,265.18 and 7,060.59 is: 9,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.87 : 13,265.18 = 7,060.59 : x
  2. Step 2: Convert to fraction form
    9,611.87/13,265.18 = 7,060.59/x
  3. Step 3: Cross multiply
    9,611.87x = 13,265.18 × 7,060.59
  4. Step 4: Simplify right side
    9,611.87x = 93,660,035.67
  5. Step 5: Solve for x
    x = 93,660,035.67/9,611.87
  6. Step 6: Final answer
    x = 9,744.21

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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.