Home / 8,306.13-11,459.07-5,074.28

Finding the Fourth Proportional to 8,306.13, 11,459.07 and 5,074.28

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Solution

The fourth proportional to 8,306.13, 11,459.07 and 5,074.28 is: 7,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.13 : 11,459.07 = 5,074.28 : x
  2. Step 2: Convert to fraction form
    8,306.13/11,459.07 = 5,074.28/x
  3. Step 3: Cross multiply
    8,306.13x = 11,459.07 × 5,074.28
  4. Step 4: Simplify right side
    8,306.13x = 58,146,515.40
  5. Step 5: Solve for x
    x = 58,146,515.40/8,306.13
  6. Step 6: Final answer
    x = 7,000.44

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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.