Home / 8,862.06-12,225.15-6,762.54

Finding the Fourth Proportional to 8,862.06, 12,225.15 and 6,762.54

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Solution

The fourth proportional to 8,862.06, 12,225.15 and 6,762.54 is: 9,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.06 : 12,225.15 = 6,762.54 : x
  2. Step 2: Convert to fraction form
    8,862.06/12,225.15 = 6,762.54/x
  3. Step 3: Cross multiply
    8,862.06x = 12,225.15 × 6,762.54
  4. Step 4: Simplify right side
    8,862.06x = 82,673,065.88
  5. Step 5: Solve for x
    x = 82,673,065.88/8,862.06
  6. Step 6: Final answer
    x = 9,328.88

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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.