Home / 9,351.06-12,921.57-8,895.48

Finding the Fourth Proportional to 9,351.06, 12,921.57 and 8,895.48

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Solution

The fourth proportional to 9,351.06, 12,921.57 and 8,895.48 is: 12,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.06 : 12,921.57 = 8,895.48 : x
  2. Step 2: Convert to fraction form
    9,351.06/12,921.57 = 8,895.48/x
  3. Step 3: Cross multiply
    9,351.06x = 12,921.57 × 8,895.48
  4. Step 4: Simplify right side
    9,351.06x = 114,943,567.50
  5. Step 5: Solve for x
    x = 114,943,567.50/9,351.06
  6. Step 6: Final answer
    x = 12,292.04

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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.