Home / 8,675.28-13,030.20-5,392.08

Finding the Fourth Proportional to 8,675.28, 13,030.20 and 5,392.08

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Solution

The fourth proportional to 8,675.28, 13,030.20 and 5,392.08 is: 8,098.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.28 : 13,030.20 = 5,392.08 : x
  2. Step 2: Convert to fraction form
    8,675.28/13,030.20 = 5,392.08/x
  3. Step 3: Cross multiply
    8,675.28x = 13,030.20 × 5,392.08
  4. Step 4: Simplify right side
    8,675.28x = 70,259,880.82
  5. Step 5: Solve for x
    x = 70,259,880.82/8,675.28
  6. Step 6: Final answer
    x = 8,098.86

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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.