Home / 10,236.10-15,368.55-8,047.30

Finding the Fourth Proportional to 10,236.10, 15,368.55 and 8,047.30

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Solution

The fourth proportional to 10,236.10, 15,368.55 and 8,047.30 is: 12,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.10 : 15,368.55 = 8,047.30 : x
  2. Step 2: Convert to fraction form
    10,236.10/15,368.55 = 8,047.30/x
  3. Step 3: Cross multiply
    10,236.10x = 15,368.55 × 8,047.30
  4. Step 4: Simplify right side
    10,236.10x = 123,675,332.42
  5. Step 5: Solve for x
    x = 123,675,332.42/10,236.10
  6. Step 6: Final answer
    x = 12,082.27

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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.