Home / 11,262.06-15,531.30-6,778.04

Finding the Fourth Proportional to 11,262.06, 15,531.30 and 6,778.04

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Solution

The fourth proportional to 11,262.06, 15,531.30 and 6,778.04 is: 9,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.06 : 15,531.30 = 6,778.04 : x
  2. Step 2: Convert to fraction form
    11,262.06/15,531.30 = 6,778.04/x
  3. Step 3: Cross multiply
    11,262.06x = 15,531.30 × 6,778.04
  4. Step 4: Simplify right side
    11,262.06x = 105,271,772.65
  5. Step 5: Solve for x
    x = 105,271,772.65/11,262.06
  6. Step 6: Final answer
    x = 9,347.47

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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.