Home / 7,507.90-10,348.96-5,912.02

Finding the Fourth Proportional to 7,507.90, 10,348.96 and 5,912.02

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Solution

The fourth proportional to 7,507.90, 10,348.96 and 5,912.02 is: 8,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.90 : 10,348.96 = 5,912.02 : x
  2. Step 2: Convert to fraction form
    7,507.90/10,348.96 = 5,912.02/x
  3. Step 3: Cross multiply
    7,507.90x = 10,348.96 × 5,912.02
  4. Step 4: Simplify right side
    7,507.90x = 61,183,258.50
  5. Step 5: Solve for x
    x = 61,183,258.50/7,507.90
  6. Step 6: Final answer
    x = 8,149.18

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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.