Home / 11,280.65-15,567.11-6,244.76

Finding the Fourth Proportional to 11,280.65, 15,567.11 and 6,244.76

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Solution

The fourth proportional to 11,280.65, 15,567.11 and 6,244.76 is: 8,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.65 : 15,567.11 = 6,244.76 : x
  2. Step 2: Convert to fraction form
    11,280.65/15,567.11 = 6,244.76/x
  3. Step 3: Cross multiply
    11,280.65x = 15,567.11 × 6,244.76
  4. Step 4: Simplify right side
    11,280.65x = 97,212,873.54
  5. Step 5: Solve for x
    x = 97,212,873.54/11,280.65
  6. Step 6: Final answer
    x = 8,617.66

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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.