Home / 8,948.68-13,411.68-5,055.28

Finding the Fourth Proportional to 8,948.68, 13,411.68 and 5,055.28

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Solution

The fourth proportional to 8,948.68, 13,411.68 and 5,055.28 is: 7,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.68 : 13,411.68 = 5,055.28 : x
  2. Step 2: Convert to fraction form
    8,948.68/13,411.68 = 5,055.28/x
  3. Step 3: Cross multiply
    8,948.68x = 13,411.68 × 5,055.28
  4. Step 4: Simplify right side
    8,948.68x = 67,799,797.67
  5. Step 5: Solve for x
    x = 67,799,797.67/8,948.68
  6. Step 6: Final answer
    x = 7,576.51

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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.