Home / 7,108.80-10,663.68-4,508.16

Finding the Fourth Proportional to 7,108.80, 10,663.68 and 4,508.16

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Solution

The fourth proportional to 7,108.80, 10,663.68 and 4,508.16 is: 6,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.80 : 10,663.68 = 4,508.16 : x
  2. Step 2: Convert to fraction form
    7,108.80/10,663.68 = 4,508.16/x
  3. Step 3: Cross multiply
    7,108.80x = 10,663.68 × 4,508.16
  4. Step 4: Simplify right side
    7,108.80x = 48,073,575.63
  5. Step 5: Solve for x
    x = 48,073,575.63/7,108.80
  6. Step 6: Final answer
    x = 6,762.54

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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.