Home / 10,503.60-15,758.46-3,108.24

Finding the Fourth Proportional to 10,503.60, 15,758.46 and 3,108.24

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Solution

The fourth proportional to 10,503.60, 15,758.46 and 3,108.24 is: 4,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.60 : 15,758.46 = 3,108.24 : x
  2. Step 2: Convert to fraction form
    10,503.60/15,758.46 = 3,108.24/x
  3. Step 3: Cross multiply
    10,503.60x = 15,758.46 × 3,108.24
  4. Step 4: Simplify right side
    10,503.60x = 48,981,075.71
  5. Step 5: Solve for x
    x = 48,981,075.71/10,503.60
  6. Step 6: Final answer
    x = 4,663.27

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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.