Home / 10,319.43-15,480.09-2,924.67

Finding the Fourth Proportional to 10,319.43, 15,480.09 and 2,924.67

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Solution

The fourth proportional to 10,319.43, 15,480.09 and 2,924.67 is: 4,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.43 : 15,480.09 = 2,924.67 : x
  2. Step 2: Convert to fraction form
    10,319.43/15,480.09 = 2,924.67/x
  3. Step 3: Cross multiply
    10,319.43x = 15,480.09 × 2,924.67
  4. Step 4: Simplify right side
    10,319.43x = 45,274,154.82
  5. Step 5: Solve for x
    x = 45,274,154.82/10,319.43
  6. Step 6: Final answer
    x = 4,387.27

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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.