Home / 7,935.60-11,905.02-4,649.16

Finding the Fourth Proportional to 7,935.60, 11,905.02 and 4,649.16

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Solution

The fourth proportional to 7,935.60, 11,905.02 and 4,649.16 is: 6,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.60 : 11,905.02 = 4,649.16 : x
  2. Step 2: Convert to fraction form
    7,935.60/11,905.02 = 4,649.16/x
  3. Step 3: Cross multiply
    7,935.60x = 11,905.02 × 4,649.16
  4. Step 4: Simplify right side
    7,935.60x = 55,348,342.78
  5. Step 5: Solve for x
    x = 55,348,342.78/7,935.60
  6. Step 6: Final answer
    x = 6,974.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.