Home / 8,881.18-12,260.46-5,525.08

Finding the Fourth Proportional to 8,881.18, 12,260.46 and 5,525.08

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Solution

The fourth proportional to 8,881.18, 12,260.46 and 5,525.08 is: 7,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.18 : 12,260.46 = 5,525.08 : x
  2. Step 2: Convert to fraction form
    8,881.18/12,260.46 = 5,525.08/x
  3. Step 3: Cross multiply
    8,881.18x = 12,260.46 × 5,525.08
  4. Step 4: Simplify right side
    8,881.18x = 67,740,012.40
  5. Step 5: Solve for x
    x = 67,740,012.40/8,881.18
  6. Step 6: Final answer
    x = 7,627.36

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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.