Home / 7,040.12-10,548.48-4,955.76

Finding the Fourth Proportional to 7,040.12, 10,548.48 and 4,955.76

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Solution

The fourth proportional to 7,040.12, 10,548.48 and 4,955.76 is: 7,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.12 : 10,548.48 = 4,955.76 : x
  2. Step 2: Convert to fraction form
    7,040.12/10,548.48 = 4,955.76/x
  3. Step 3: Cross multiply
    7,040.12x = 10,548.48 × 4,955.76
  4. Step 4: Simplify right side
    7,040.12x = 52,275,735.24
  5. Step 5: Solve for x
    x = 52,275,735.24/7,040.12
  6. Step 6: Final answer
    x = 7,425.40

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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.