Home / 11,655.65-17,483.55-4,257.06

Finding the Fourth Proportional to 11,655.65, 17,483.55 and 4,257.06

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Solution

The fourth proportional to 11,655.65, 17,483.55 and 4,257.06 is: 6,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.65 : 17,483.55 = 4,257.06 : x
  2. Step 2: Convert to fraction form
    11,655.65/17,483.55 = 4,257.06/x
  3. Step 3: Cross multiply
    11,655.65x = 17,483.55 × 4,257.06
  4. Step 4: Simplify right side
    11,655.65x = 74,428,439.84
  5. Step 5: Solve for x
    x = 74,428,439.84/11,655.65
  6. Step 6: Final answer
    x = 6,385.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.