Home / 10,016.25-15,017.45-7,206.82

Finding the Fourth Proportional to 10,016.25, 15,017.45 and 7,206.82

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Solution

The fourth proportional to 10,016.25, 15,017.45 and 7,206.82 is: 10,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.25 : 15,017.45 = 7,206.82 : x
  2. Step 2: Convert to fraction form
    10,016.25/15,017.45 = 7,206.82/x
  3. Step 3: Cross multiply
    10,016.25x = 15,017.45 × 7,206.82
  4. Step 4: Simplify right side
    10,016.25x = 108,227,985.43
  5. Step 5: Solve for x
    x = 108,227,985.43/10,016.25
  6. Step 6: Final answer
    x = 10,805.24

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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.