Home / 10,845.90-16,261.56-4,268.70

Finding the Fourth Proportional to 10,845.90, 16,261.56 and 4,268.70

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Solution

The fourth proportional to 10,845.90, 16,261.56 and 4,268.70 is: 6,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.90 : 16,261.56 = 4,268.70 : x
  2. Step 2: Convert to fraction form
    10,845.90/16,261.56 = 4,268.70/x
  3. Step 3: Cross multiply
    10,845.90x = 16,261.56 × 4,268.70
  4. Step 4: Simplify right side
    10,845.90x = 69,415,721.17
  5. Step 5: Solve for x
    x = 69,415,721.17/10,845.90
  6. Step 6: Final answer
    x = 6,400.18

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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.