Home / 7,103.20-10,630.32-4,897.12

Finding the Fourth Proportional to 7,103.20, 10,630.32 and 4,897.12

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Solution

The fourth proportional to 7,103.20, 10,630.32 and 4,897.12 is: 7,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.20 : 10,630.32 = 4,897.12 : x
  2. Step 2: Convert to fraction form
    7,103.20/10,630.32 = 4,897.12/x
  3. Step 3: Cross multiply
    7,103.20x = 10,630.32 × 4,897.12
  4. Step 4: Simplify right side
    7,103.20x = 52,057,952.68
  5. Step 5: Solve for x
    x = 52,057,952.68/7,103.20
  6. Step 6: Final answer
    x = 7,328.80

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1.5x scale

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.