Home / 10,423.13-15,634.70-3,502.49

Finding the Fourth Proportional to 10,423.13, 15,634.70 and 3,502.49

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Solution

The fourth proportional to 10,423.13, 15,634.70 and 3,502.49 is: 5,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.13 : 15,634.70 = 3,502.49 : x
  2. Step 2: Convert to fraction form
    10,423.13/15,634.70 = 3,502.49/x
  3. Step 3: Cross multiply
    10,423.13x = 15,634.70 × 3,502.49
  4. Step 4: Simplify right side
    10,423.13x = 54,760,362.89
  5. Step 5: Solve for x
    x = 54,760,362.89/10,423.13
  6. Step 6: Final answer
    x = 5,253.74

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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.