Home / 10,708.48-16,080.60-7,220.96

Finding the Fourth Proportional to 10,708.48, 16,080.60 and 7,220.96

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Solution

The fourth proportional to 10,708.48, 16,080.60 and 7,220.96 is: 10,843.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.48 : 16,080.60 = 7,220.96 : x
  2. Step 2: Convert to fraction form
    10,708.48/16,080.60 = 7,220.96/x
  3. Step 3: Cross multiply
    10,708.48x = 16,080.60 × 7,220.96
  4. Step 4: Simplify right side
    10,708.48x = 116,117,369.38
  5. Step 5: Solve for x
    x = 116,117,369.38/10,708.48
  6. Step 6: Final answer
    x = 10,843.50

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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.