Home / 7,236.88-10,848.92-3,130.64

Finding the Fourth Proportional to 7,236.88, 10,848.92 and 3,130.64

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Solution

The fourth proportional to 7,236.88, 10,848.92 and 3,130.64 is: 4,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.88 : 10,848.92 = 3,130.64 : x
  2. Step 2: Convert to fraction form
    7,236.88/10,848.92 = 3,130.64/x
  3. Step 3: Cross multiply
    7,236.88x = 10,848.92 × 3,130.64
  4. Step 4: Simplify right side
    7,236.88x = 33,964,062.91
  5. Step 5: Solve for x
    x = 33,964,062.91/7,236.88
  6. Step 6: Final answer
    x = 4,693.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.