Home / 10,430.60-15,650.15-4,884.12

Finding the Fourth Proportional to 10,430.60, 15,650.15 and 4,884.12

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Solution

The fourth proportional to 10,430.60, 15,650.15 and 4,884.12 is: 7,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.60 : 15,650.15 = 4,884.12 : x
  2. Step 2: Convert to fraction form
    10,430.60/15,650.15 = 4,884.12/x
  3. Step 3: Cross multiply
    10,430.60x = 15,650.15 × 4,884.12
  4. Step 4: Simplify right side
    10,430.60x = 76,437,186.20
  5. Step 5: Solve for x
    x = 76,437,186.20/10,430.60
  6. Step 6: Final answer
    x = 7,328.17

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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.