Home / 10,301.38-14,215.90-5,585.66

Finding the Fourth Proportional to 10,301.38, 14,215.90 and 5,585.66

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Solution

The fourth proportional to 10,301.38, 14,215.90 and 5,585.66 is: 7,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.38 : 14,215.90 = 5,585.66 : x
  2. Step 2: Convert to fraction form
    10,301.38/14,215.90 = 5,585.66/x
  3. Step 3: Cross multiply
    10,301.38x = 14,215.90 × 5,585.66
  4. Step 4: Simplify right side
    10,301.38x = 79,405,183.99
  5. Step 5: Solve for x
    x = 79,405,183.99/10,301.38
  6. Step 6: Final answer
    x = 7,708.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.