Home / 8,708.30-12,027.24-5,887.32

Finding the Fourth Proportional to 8,708.30, 12,027.24 and 5,887.32

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Solution

The fourth proportional to 8,708.30, 12,027.24 and 5,887.32 is: 8,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.30 : 12,027.24 = 5,887.32 : x
  2. Step 2: Convert to fraction form
    8,708.30/12,027.24 = 5,887.32/x
  3. Step 3: Cross multiply
    8,708.30x = 12,027.24 × 5,887.32
  4. Step 4: Simplify right side
    8,708.30x = 70,808,210.60
  5. Step 5: Solve for x
    x = 70,808,210.60/8,708.30
  6. Step 6: Final answer
    x = 8,131.12

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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.