Home / 10,245.06-15,379.86-6,948.15

Finding the Fourth Proportional to 10,245.06, 15,379.86 and 6,948.15

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Solution

The fourth proportional to 10,245.06, 15,379.86 and 6,948.15 is: 10,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.06 : 15,379.86 = 6,948.15 : x
  2. Step 2: Convert to fraction form
    10,245.06/15,379.86 = 6,948.15/x
  3. Step 3: Cross multiply
    10,245.06x = 15,379.86 × 6,948.15
  4. Step 4: Simplify right side
    10,245.06x = 106,861,574.26
  5. Step 5: Solve for x
    x = 106,861,574.26/10,245.06
  6. Step 6: Final answer
    x = 10,430.55

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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.