Home / 9,255.66-12,772.55-5,276.53

Finding the Fourth Proportional to 9,255.66, 12,772.55 and 5,276.53

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Solution

The fourth proportional to 9,255.66, 12,772.55 and 5,276.53 is: 7,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.66 : 12,772.55 = 5,276.53 : x
  2. Step 2: Convert to fraction form
    9,255.66/12,772.55 = 5,276.53/x
  3. Step 3: Cross multiply
    9,255.66x = 12,772.55 × 5,276.53
  4. Step 4: Simplify right side
    9,255.66x = 67,394,743.25
  5. Step 5: Solve for x
    x = 67,394,743.25/9,255.66
  6. Step 6: Final answer
    x = 7,281.46

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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.