Home / 10,062.79-15,116.05-6,782.29

Finding the Fourth Proportional to 10,062.79, 15,116.05 and 6,782.29

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Solution

The fourth proportional to 10,062.79, 15,116.05 and 6,782.29 is: 10,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,062.79 : 15,116.05 = 6,782.29 : x
  2. Step 2: Convert to fraction form
    10,062.79/15,116.05 = 6,782.29/x
  3. Step 3: Cross multiply
    10,062.79x = 15,116.05 × 6,782.29
  4. Step 4: Simplify right side
    10,062.79x = 102,521,434.75
  5. Step 5: Solve for x
    x = 102,521,434.75/10,062.79
  6. Step 6: Final answer
    x = 10,188.17

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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.