Home / 12,370.46-17,071.32-6,919.56

Finding the Fourth Proportional to 12,370.46, 17,071.32 and 6,919.56

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Solution

The fourth proportional to 12,370.46, 17,071.32 and 6,919.56 is: 9,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.46 : 17,071.32 = 6,919.56 : x
  2. Step 2: Convert to fraction form
    12,370.46/17,071.32 = 6,919.56/x
  3. Step 3: Cross multiply
    12,370.46x = 17,071.32 × 6,919.56
  4. Step 4: Simplify right side
    12,370.46x = 118,126,023.02
  5. Step 5: Solve for x
    x = 118,126,023.02/12,370.46
  6. Step 6: Final answer
    x = 9,549.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.