Home / 8,275.44-11,418.48-4,641.60

Finding the Fourth Proportional to 8,275.44, 11,418.48 and 4,641.60

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Solution

The fourth proportional to 8,275.44, 11,418.48 and 4,641.60 is: 6,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.44 : 11,418.48 = 4,641.60 : x
  2. Step 2: Convert to fraction form
    8,275.44/11,418.48 = 4,641.60/x
  3. Step 3: Cross multiply
    8,275.44x = 11,418.48 × 4,641.60
  4. Step 4: Simplify right side
    8,275.44x = 53,000,036.74
  5. Step 5: Solve for x
    x = 53,000,036.74/8,275.44
  6. Step 6: Final answer
    x = 6,404.50

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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.