Home / 9,264.08-12,775.56-8,585.36

Finding the Fourth Proportional to 9,264.08, 12,775.56 and 8,585.36

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Solution

The fourth proportional to 9,264.08, 12,775.56 and 8,585.36 is: 11,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,264.08 : 12,775.56 = 8,585.36 : x
  2. Step 2: Convert to fraction form
    9,264.08/12,775.56 = 8,585.36/x
  3. Step 3: Cross multiply
    9,264.08x = 12,775.56 × 8,585.36
  4. Step 4: Simplify right side
    9,264.08x = 109,682,781.80
  5. Step 5: Solve for x
    x = 109,682,781.80/9,264.08
  6. Step 6: Final answer
    x = 11,839.58

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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.