Home / 9,724.80-14,581.80-4,177.20

Finding the Fourth Proportional to 9,724.80, 14,581.80 and 4,177.20

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Solution

The fourth proportional to 9,724.80, 14,581.80 and 4,177.20 is: 6,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724.80 : 14,581.80 = 4,177.20 : x
  2. Step 2: Convert to fraction form
    9,724.80/14,581.80 = 4,177.20/x
  3. Step 3: Cross multiply
    9,724.80x = 14,581.80 × 4,177.20
  4. Step 4: Simplify right side
    9,724.80x = 60,911,094.96
  5. Step 5: Solve for x
    x = 60,911,094.96/9,724.80
  6. Step 6: Final answer
    x = 6,263.48

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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.