Home / 7,454.19-11,170.80-5,887.32

Finding the Fourth Proportional to 7,454.19, 11,170.80 and 5,887.32

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Solution

The fourth proportional to 7,454.19, 11,170.80 and 5,887.32 is: 8,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.19 : 11,170.80 = 5,887.32 : x
  2. Step 2: Convert to fraction form
    7,454.19/11,170.80 = 5,887.32/x
  3. Step 3: Cross multiply
    7,454.19x = 11,170.80 × 5,887.32
  4. Step 4: Simplify right side
    7,454.19x = 65,766,074.26
  5. Step 5: Solve for x
    x = 65,766,074.26/7,454.19
  6. Step 6: Final answer
    x = 8,822.70

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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.