Home / 10,399.20-15,587.76-4,846.08

Finding the Fourth Proportional to 10,399.20, 15,587.76 and 4,846.08

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Solution

The fourth proportional to 10,399.20, 15,587.76 and 4,846.08 is: 7,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.20 : 15,587.76 = 4,846.08 : x
  2. Step 2: Convert to fraction form
    10,399.20/15,587.76 = 4,846.08/x
  3. Step 3: Cross multiply
    10,399.20x = 15,587.76 × 4,846.08
  4. Step 4: Simplify right side
    10,399.20x = 75,539,531.98
  5. Step 5: Solve for x
    x = 75,539,531.98/10,399.20
  6. Step 6: Final answer
    x = 7,263.98

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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.