Home / 8,525.18-12,782.31-5,885.29

Finding the Fourth Proportional to 8,525.18, 12,782.31 and 5,885.29

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Solution

The fourth proportional to 8,525.18, 12,782.31 and 5,885.29 is: 8,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.18 : 12,782.31 = 5,885.29 : x
  2. Step 2: Convert to fraction form
    8,525.18/12,782.31 = 5,885.29/x
  3. Step 3: Cross multiply
    8,525.18x = 12,782.31 × 5,885.29
  4. Step 4: Simplify right side
    8,525.18x = 75,227,595.13
  5. Step 5: Solve for x
    x = 75,227,595.13/8,525.18
  6. Step 6: Final answer
    x = 8,824.16

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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.