Home / 7,047.36-9,723.13-4,062.78

Finding the Fourth Proportional to 7,047.36, 9,723.13 and 4,062.78

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Solution

The fourth proportional to 7,047.36, 9,723.13 and 4,062.78 is: 5,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.36 : 9,723.13 = 4,062.78 : x
  2. Step 2: Convert to fraction form
    7,047.36/9,723.13 = 4,062.78/x
  3. Step 3: Cross multiply
    7,047.36x = 9,723.13 × 4,062.78
  4. Step 4: Simplify right side
    7,047.36x = 39,502,938.10
  5. Step 5: Solve for x
    x = 39,502,938.10/7,047.36
  6. Step 6: Final answer
    x = 5,605.35

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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.