Home / 11,077.40-16,591.80-9,846.20

Finding the Fourth Proportional to 11,077.40, 16,591.80 and 9,846.20

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Solution

The fourth proportional to 11,077.40, 16,591.80 and 9,846.20 is: 14,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.40 : 16,591.80 = 9,846.20 : x
  2. Step 2: Convert to fraction form
    11,077.40/16,591.80 = 9,846.20/x
  3. Step 3: Cross multiply
    11,077.40x = 16,591.80 × 9,846.20
  4. Step 4: Simplify right side
    11,077.40x = 163,366,181.16
  5. Step 5: Solve for x
    x = 163,366,181.16/11,077.40
  6. Step 6: Final answer
    x = 14,747.70

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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.