Home / 10,117.51-15,176.25-3,542.18

Finding the Fourth Proportional to 10,117.51, 15,176.25 and 3,542.18

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Solution

The fourth proportional to 10,117.51, 15,176.25 and 3,542.18 is: 5,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.51 : 15,176.25 = 3,542.18 : x
  2. Step 2: Convert to fraction form
    10,117.51/15,176.25 = 3,542.18/x
  3. Step 3: Cross multiply
    10,117.51x = 15,176.25 × 3,542.18
  4. Step 4: Simplify right side
    10,117.51x = 53,756,933.34
  5. Step 5: Solve for x
    x = 53,756,933.34/10,117.51
  6. Step 6: Final answer
    x = 5,313.26

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Double scale
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Similar ratio
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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.