Home / 9,838.16-14,761.61-5,157.06

Finding the Fourth Proportional to 9,838.16, 14,761.61 and 5,157.06

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Solution

The fourth proportional to 9,838.16, 14,761.61 and 5,157.06 is: 7,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838.16 : 14,761.61 = 5,157.06 : x
  2. Step 2: Convert to fraction form
    9,838.16/14,761.61 = 5,157.06/x
  3. Step 3: Cross multiply
    9,838.16x = 14,761.61 × 5,157.06
  4. Step 4: Simplify right side
    9,838.16x = 76,126,482.68
  5. Step 5: Solve for x
    x = 76,126,482.68/9,838.16
  6. Step 6: Final answer
    x = 7,737.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.