Home / 10,348.70-15,523.20-2,953.16

Finding the Fourth Proportional to 10,348.70, 15,523.20 and 2,953.16

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Solution

The fourth proportional to 10,348.70, 15,523.20 and 2,953.16 is: 4,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.70 : 15,523.20 = 2,953.16 : x
  2. Step 2: Convert to fraction form
    10,348.70/15,523.20 = 2,953.16/x
  3. Step 3: Cross multiply
    10,348.70x = 15,523.20 × 2,953.16
  4. Step 4: Simplify right side
    10,348.70x = 45,842,439.74
  5. Step 5: Solve for x
    x = 45,842,439.74/10,348.70
  6. Step 6: Final answer
    x = 4,429.78

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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.