Home / 8,442.16-11,650.18-4,905.60

Finding the Fourth Proportional to 8,442.16, 11,650.18 and 4,905.60

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Solution

The fourth proportional to 8,442.16, 11,650.18 and 4,905.60 is: 6,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.16 : 11,650.18 = 4,905.60 : x
  2. Step 2: Convert to fraction form
    8,442.16/11,650.18 = 4,905.60/x
  3. Step 3: Cross multiply
    8,442.16x = 11,650.18 × 4,905.60
  4. Step 4: Simplify right side
    8,442.16x = 57,151,123.01
  5. Step 5: Solve for x
    x = 57,151,123.01/8,442.16
  6. Step 6: Final answer
    x = 6,769.73

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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.