Home / 6,912.08-9,531.13-4,670.06

Finding the Fourth Proportional to 6,912.08, 9,531.13 and 4,670.06

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Solution

The fourth proportional to 6,912.08, 9,531.13 and 4,670.06 is: 6,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.08 : 9,531.13 = 4,670.06 : x
  2. Step 2: Convert to fraction form
    6,912.08/9,531.13 = 4,670.06/x
  3. Step 3: Cross multiply
    6,912.08x = 9,531.13 × 4,670.06
  4. Step 4: Simplify right side
    6,912.08x = 44,510,948.97
  5. Step 5: Solve for x
    x = 44,510,948.97/6,912.08
  6. Step 6: Final answer
    x = 6,439.59

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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.