Home / 7,077.06-9,749.46-4,948.61

Finding the Fourth Proportional to 7,077.06, 9,749.46 and 4,948.61

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Solution

The fourth proportional to 7,077.06, 9,749.46 and 4,948.61 is: 6,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.06 : 9,749.46 = 4,948.61 : x
  2. Step 2: Convert to fraction form
    7,077.06/9,749.46 = 4,948.61/x
  3. Step 3: Cross multiply
    7,077.06x = 9,749.46 × 4,948.61
  4. Step 4: Simplify right side
    7,077.06x = 48,246,275.25
  5. Step 5: Solve for x
    x = 48,246,275.25/7,077.06
  6. Step 6: Final answer
    x = 6,817.28

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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.