Home / 11,331.58-15,637.60-6,296.11

Finding the Fourth Proportional to 11,331.58, 15,637.60 and 6,296.11

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Solution

The fourth proportional to 11,331.58, 15,637.60 and 6,296.11 is: 8,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.58 : 15,637.60 = 6,296.11 : x
  2. Step 2: Convert to fraction form
    11,331.58/15,637.60 = 6,296.11/x
  3. Step 3: Cross multiply
    11,331.58x = 15,637.60 × 6,296.11
  4. Step 4: Simplify right side
    11,331.58x = 98,456,077.15
  5. Step 5: Solve for x
    x = 98,456,077.15/11,331.58
  6. Step 6: Final answer
    x = 8,688.65

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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.