Home / 11,299.12-15,591.54-6,263.20

Finding the Fourth Proportional to 11,299.12, 15,591.54 and 6,263.20

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Solution

The fourth proportional to 11,299.12, 15,591.54 and 6,263.20 is: 8,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.12 : 15,591.54 = 6,263.20 : x
  2. Step 2: Convert to fraction form
    11,299.12/15,591.54 = 6,263.20/x
  3. Step 3: Cross multiply
    11,299.12x = 15,591.54 × 6,263.20
  4. Step 4: Simplify right side
    11,299.12x = 97,652,933.33
  5. Step 5: Solve for x
    x = 97,652,933.33/11,299.12
  6. Step 6: Final answer
    x = 8,642.53

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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.