Home / 9,112.36-13,642.26-5,352.76

Finding the Fourth Proportional to 9,112.36, 13,642.26 and 5,352.76

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Solution

The fourth proportional to 9,112.36, 13,642.26 and 5,352.76 is: 8,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.36 : 13,642.26 = 5,352.76 : x
  2. Step 2: Convert to fraction form
    9,112.36/13,642.26 = 5,352.76/x
  3. Step 3: Cross multiply
    9,112.36x = 13,642.26 × 5,352.76
  4. Step 4: Simplify right side
    9,112.36x = 73,023,743.64
  5. Step 5: Solve for x
    x = 73,023,743.64/9,112.36
  6. Step 6: Final answer
    x = 8,013.70

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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.