Home / 9,605.36-13,257.60-8,030.72

Finding the Fourth Proportional to 9,605.36, 13,257.60 and 8,030.72

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Solution

The fourth proportional to 9,605.36, 13,257.60 and 8,030.72 is: 11,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.36 : 13,257.60 = 8,030.72 : x
  2. Step 2: Convert to fraction form
    9,605.36/13,257.60 = 8,030.72/x
  3. Step 3: Cross multiply
    9,605.36x = 13,257.60 × 8,030.72
  4. Step 4: Simplify right side
    9,605.36x = 106,468,073.47
  5. Step 5: Solve for x
    x = 106,468,073.47/9,605.36
  6. Step 6: Final answer
    x = 11,084.24

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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.