Home / 9,859.18-13,604.70-5,879.50

Finding the Fourth Proportional to 9,859.18, 13,604.70 and 5,879.50

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Solution

The fourth proportional to 9,859.18, 13,604.70 and 5,879.50 is: 8,113.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.18 : 13,604.70 = 5,879.50 : x
  2. Step 2: Convert to fraction form
    9,859.18/13,604.70 = 5,879.50/x
  3. Step 3: Cross multiply
    9,859.18x = 13,604.70 × 5,879.50
  4. Step 4: Simplify right side
    9,859.18x = 79,988,833.65
  5. Step 5: Solve for x
    x = 79,988,833.65/9,859.18
  6. Step 6: Final answer
    x = 8,113.13

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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.