Home / 7,661.12-10,570.70-4,472.97

Finding the Fourth Proportional to 7,661.12, 10,570.70 and 4,472.97

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Solution

The fourth proportional to 7,661.12, 10,570.70 and 4,472.97 is: 6,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.12 : 10,570.70 = 4,472.97 : x
  2. Step 2: Convert to fraction form
    7,661.12/10,570.70 = 4,472.97/x
  3. Step 3: Cross multiply
    7,661.12x = 10,570.70 × 4,472.97
  4. Step 4: Simplify right side
    7,661.12x = 47,282,401.61
  5. Step 5: Solve for x
    x = 47,282,401.61/7,661.12
  6. Step 6: Final answer
    x = 6,171.74

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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.