Home / 6,648.18-9,177.78-4,669.26

Finding the Fourth Proportional to 6,648.18, 9,177.78 and 4,669.26

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Solution

The fourth proportional to 6,648.18, 9,177.78 and 4,669.26 is: 6,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.18 : 9,177.78 = 4,669.26 : x
  2. Step 2: Convert to fraction form
    6,648.18/9,177.78 = 4,669.26/x
  3. Step 3: Cross multiply
    6,648.18x = 9,177.78 × 4,669.26
  4. Step 4: Simplify right side
    6,648.18x = 42,853,441.04
  5. Step 5: Solve for x
    x = 42,853,441.04/6,648.18
  6. Step 6: Final answer
    x = 6,445.89

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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.