Home / 10,883.24-15,013.35-7,108.62

Finding the Fourth Proportional to 10,883.24, 15,013.35 and 7,108.62

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Solution

The fourth proportional to 10,883.24, 15,013.35 and 7,108.62 is: 9,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.24 : 15,013.35 = 7,108.62 : x
  2. Step 2: Convert to fraction form
    10,883.24/15,013.35 = 7,108.62/x
  3. Step 3: Cross multiply
    10,883.24x = 15,013.35 × 7,108.62
  4. Step 4: Simplify right side
    10,883.24x = 106,724,200.08
  5. Step 5: Solve for x
    x = 106,724,200.08/10,883.24
  6. Step 6: Final answer
    x = 9,806.29

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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.