Home / 7,047.12-9,726.77-4,064.75

Finding the Fourth Proportional to 7,047.12, 9,726.77 and 4,064.75

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Solution

The fourth proportional to 7,047.12, 9,726.77 and 4,064.75 is: 5,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.12 : 9,726.77 = 4,064.75 : x
  2. Step 2: Convert to fraction form
    7,047.12/9,726.77 = 4,064.75/x
  3. Step 3: Cross multiply
    7,047.12x = 9,726.77 × 4,064.75
  4. Step 4: Simplify right side
    7,047.12x = 39,536,849.89
  5. Step 5: Solve for x
    x = 39,536,849.89/7,047.12
  6. Step 6: Final answer
    x = 5,610.36

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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.