Home / 8,707.33-12,019.08-5,350.29

Finding the Fourth Proportional to 8,707.33, 12,019.08 and 5,350.29

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Solution

The fourth proportional to 8,707.33, 12,019.08 and 5,350.29 is: 7,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.33 : 12,019.08 = 5,350.29 : x
  2. Step 2: Convert to fraction form
    8,707.33/12,019.08 = 5,350.29/x
  3. Step 3: Cross multiply
    8,707.33x = 12,019.08 × 5,350.29
  4. Step 4: Simplify right side
    8,707.33x = 64,305,563.53
  5. Step 5: Solve for x
    x = 64,305,563.53/8,707.33
  6. Step 6: Final answer
    x = 7,385.22

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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.