Home / 10,507.48-14,486.38-8,708.22

Finding the Fourth Proportional to 10,507.48, 14,486.38 and 8,708.22

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Solution

The fourth proportional to 10,507.48, 14,486.38 and 8,708.22 is: 12,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.48 : 14,486.38 = 8,708.22 : x
  2. Step 2: Convert to fraction form
    10,507.48/14,486.38 = 8,708.22/x
  3. Step 3: Cross multiply
    10,507.48x = 14,486.38 × 8,708.22
  4. Step 4: Simplify right side
    10,507.48x = 126,150,584.04
  5. Step 5: Solve for x
    x = 126,150,584.04/10,507.48
  6. Step 6: Final answer
    x = 12,005.79

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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.