Home / 10,125.03-15,188.31-4,581.50

Finding the Fourth Proportional to 10,125.03, 15,188.31 and 4,581.50

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Solution

The fourth proportional to 10,125.03, 15,188.31 and 4,581.50 is: 6,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.03 : 15,188.31 = 4,581.50 : x
  2. Step 2: Convert to fraction form
    10,125.03/15,188.31 = 4,581.50/x
  3. Step 3: Cross multiply
    10,125.03x = 15,188.31 × 4,581.50
  4. Step 4: Simplify right side
    10,125.03x = 69,585,166.32
  5. Step 5: Solve for x
    x = 69,585,166.32/10,125.03
  6. Step 6: Final answer
    x = 6,872.59

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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.