Home / 11,336.36-15,605.88-9,343.76

Finding the Fourth Proportional to 11,336.36, 15,605.88 and 9,343.76

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Solution

The fourth proportional to 11,336.36, 15,605.88 and 9,343.76 is: 12,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.36 : 15,605.88 = 9,343.76 : x
  2. Step 2: Convert to fraction form
    11,336.36/15,605.88 = 9,343.76/x
  3. Step 3: Cross multiply
    11,336.36x = 15,605.88 × 9,343.76
  4. Step 4: Simplify right side
    11,336.36x = 145,817,597.31
  5. Step 5: Solve for x
    x = 145,817,597.31/11,336.36
  6. Step 6: Final answer
    x = 12,862.82

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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.