Home / 7,060.80-9,731.40-6,246.12

Finding the Fourth Proportional to 7,060.80, 9,731.40 and 6,246.12

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Solution

The fourth proportional to 7,060.80, 9,731.40 and 6,246.12 is: 8,608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.80 : 9,731.40 = 6,246.12 : x
  2. Step 2: Convert to fraction form
    7,060.80/9,731.40 = 6,246.12/x
  3. Step 3: Cross multiply
    7,060.80x = 9,731.40 × 6,246.12
  4. Step 4: Simplify right side
    7,060.80x = 60,783,492.17
  5. Step 5: Solve for x
    x = 60,783,492.17/7,060.80
  6. Step 6: Final answer
    x = 8,608.58

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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.