Home / 10,632.30-15,948.42-3,141.12

Finding the Fourth Proportional to 10,632.30, 15,948.42 and 3,141.12

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Solution

The fourth proportional to 10,632.30, 15,948.42 and 3,141.12 is: 4,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.30 : 15,948.42 = 3,141.12 : x
  2. Step 2: Convert to fraction form
    10,632.30/15,948.42 = 3,141.12/x
  3. Step 3: Cross multiply
    10,632.30x = 15,948.42 × 3,141.12
  4. Step 4: Simplify right side
    10,632.30x = 50,095,832.16
  5. Step 5: Solve for x
    x = 50,095,832.16/10,632.30
  6. Step 6: Final answer
    x = 4,711.67

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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.