Home / 8,832.12-13,248.80-2,986.76

Finding the Fourth Proportional to 8,832.12, 13,248.80 and 2,986.76

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Solution

The fourth proportional to 8,832.12, 13,248.80 and 2,986.76 is: 4,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.12 : 13,248.80 = 2,986.76 : x
  2. Step 2: Convert to fraction form
    8,832.12/13,248.80 = 2,986.76/x
  3. Step 3: Cross multiply
    8,832.12x = 13,248.80 × 2,986.76
  4. Step 4: Simplify right side
    8,832.12x = 39,570,904.71
  5. Step 5: Solve for x
    x = 39,570,904.71/8,832.12
  6. Step 6: Final answer
    x = 4,480.34

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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.