Home / 10,186.16-15,157.26-10,151.60

Finding the Fourth Proportional to 10,186.16, 15,157.26 and 10,151.60

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Solution

The fourth proportional to 10,186.16, 15,157.26 and 10,151.60 is: 15,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.16 : 15,157.26 = 10,151.60 : x
  2. Step 2: Convert to fraction form
    10,186.16/15,157.26 = 10,151.60/x
  3. Step 3: Cross multiply
    10,186.16x = 15,157.26 × 10,151.60
  4. Step 4: Simplify right side
    10,186.16x = 153,870,440.62
  5. Step 5: Solve for x
    x = 153,870,440.62/10,186.16
  6. Step 6: Final answer
    x = 15,105.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.