Home / 11,200.76-15,455.30-6,484.13

Finding the Fourth Proportional to 11,200.76, 15,455.30 and 6,484.13

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Solution

The fourth proportional to 11,200.76, 15,455.30 and 6,484.13 is: 8,947.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.76 : 15,455.30 = 6,484.13 : x
  2. Step 2: Convert to fraction form
    11,200.76/15,455.30 = 6,484.13/x
  3. Step 3: Cross multiply
    11,200.76x = 15,455.30 × 6,484.13
  4. Step 4: Simplify right side
    11,200.76x = 100,214,064.69
  5. Step 5: Solve for x
    x = 100,214,064.69/11,200.76
  6. Step 6: Final answer
    x = 8,947.08

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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.