Home / 8,675.13-11,966.99-5,319.57

Finding the Fourth Proportional to 8,675.13, 11,966.99 and 5,319.57

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Solution

The fourth proportional to 8,675.13, 11,966.99 and 5,319.57 is: 7,338.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.13 : 11,966.99 = 5,319.57 : x
  2. Step 2: Convert to fraction form
    8,675.13/11,966.99 = 5,319.57/x
  3. Step 3: Cross multiply
    8,675.13x = 11,966.99 × 5,319.57
  4. Step 4: Simplify right side
    8,675.13x = 63,659,214.40
  5. Step 5: Solve for x
    x = 63,659,214.40/8,675.13
  6. Step 6: Final answer
    x = 7,338.13

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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.