Home / 8,962.61-13,438.51-5,263.07

Finding the Fourth Proportional to 8,962.61, 13,438.51 and 5,263.07

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Solution

The fourth proportional to 8,962.61, 13,438.51 and 5,263.07 is: 7,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.61 : 13,438.51 = 5,263.07 : x
  2. Step 2: Convert to fraction form
    8,962.61/13,438.51 = 5,263.07/x
  3. Step 3: Cross multiply
    8,962.61x = 13,438.51 × 5,263.07
  4. Step 4: Simplify right side
    8,962.61x = 70,727,738.48
  5. Step 5: Solve for x
    x = 70,727,738.48/8,962.61
  6. Step 6: Final answer
    x = 7,891.43

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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.