Home / 6,618.72-9,132.08-4,263.92

Finding the Fourth Proportional to 6,618.72, 9,132.08 and 4,263.92

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Solution

The fourth proportional to 6,618.72, 9,132.08 and 4,263.92 is: 5,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.72 : 9,132.08 = 4,263.92 : x
  2. Step 2: Convert to fraction form
    6,618.72/9,132.08 = 4,263.92/x
  3. Step 3: Cross multiply
    6,618.72x = 9,132.08 × 4,263.92
  4. Step 4: Simplify right side
    6,618.72x = 38,938,458.55
  5. Step 5: Solve for x
    x = 38,938,458.55/6,618.72
  6. Step 6: Final answer
    x = 5,883.08

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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.