Home / 7,062.60-9,746.34-3,918.84

Finding the Fourth Proportional to 7,062.60, 9,746.34 and 3,918.84

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Solution

The fourth proportional to 7,062.60, 9,746.34 and 3,918.84 is: 5,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.60 : 9,746.34 = 3,918.84 : x
  2. Step 2: Convert to fraction form
    7,062.60/9,746.34 = 3,918.84/x
  3. Step 3: Cross multiply
    7,062.60x = 9,746.34 × 3,918.84
  4. Step 4: Simplify right side
    7,062.60x = 38,194,347.05
  5. Step 5: Solve for x
    x = 38,194,347.05/7,062.60
  6. Step 6: Final answer
    x = 5,407.97

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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.