Home / 7,351.12-10,123.68-6,466.60

Finding the Fourth Proportional to 7,351.12, 10,123.68 and 6,466.60

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Solution

The fourth proportional to 7,351.12, 10,123.68 and 6,466.60 is: 8,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.12 : 10,123.68 = 6,466.60 : x
  2. Step 2: Convert to fraction form
    7,351.12/10,123.68 = 6,466.60/x
  3. Step 3: Cross multiply
    7,351.12x = 10,123.68 × 6,466.60
  4. Step 4: Simplify right side
    7,351.12x = 65,465,789.09
  5. Step 5: Solve for x
    x = 65,465,789.09/7,351.12
  6. Step 6: Final answer
    x = 8,905.55

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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.