Home / 10,186.11-15,210.18-8,082.48

Finding the Fourth Proportional to 10,186.11, 15,210.18 and 8,082.48

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Solution

The fourth proportional to 10,186.11, 15,210.18 and 8,082.48 is: 12,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.11 : 15,210.18 = 8,082.48 : x
  2. Step 2: Convert to fraction form
    10,186.11/15,210.18 = 8,082.48/x
  3. Step 3: Cross multiply
    10,186.11x = 15,210.18 × 8,082.48
  4. Step 4: Simplify right side
    10,186.11x = 122,935,975.65
  5. Step 5: Solve for x
    x = 122,935,975.65/10,186.11
  6. Step 6: Final answer
    x = 12,068.98

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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.