Home / 7,525.13-10,379.09-4,870.49

Finding the Fourth Proportional to 7,525.13, 10,379.09 and 4,870.49

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Solution

The fourth proportional to 7,525.13, 10,379.09 and 4,870.49 is: 6,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.13 : 10,379.09 = 4,870.49 : x
  2. Step 2: Convert to fraction form
    7,525.13/10,379.09 = 4,870.49/x
  3. Step 3: Cross multiply
    7,525.13x = 10,379.09 × 4,870.49
  4. Step 4: Simplify right side
    7,525.13x = 50,551,229.70
  5. Step 5: Solve for x
    x = 50,551,229.70/7,525.13
  6. Step 6: Final answer
    x = 6,717.66

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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.