Home / 11,083.20-15,295.08-6,303.92

Finding the Fourth Proportional to 11,083.20, 15,295.08 and 6,303.92

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Solution

The fourth proportional to 11,083.20, 15,295.08 and 6,303.92 is: 8,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.20 : 15,295.08 = 6,303.92 : x
  2. Step 2: Convert to fraction form
    11,083.20/15,295.08 = 6,303.92/x
  3. Step 3: Cross multiply
    11,083.20x = 15,295.08 × 6,303.92
  4. Step 4: Simplify right side
    11,083.20x = 96,418,960.71
  5. Step 5: Solve for x
    x = 96,418,960.71/11,083.20
  6. Step 6: Final answer
    x = 8,699.56

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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.