Home / 12,910.23-19,363.14-5,888.61

Finding the Fourth Proportional to 12,910.23, 19,363.14 and 5,888.61

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Solution

The fourth proportional to 12,910.23, 19,363.14 and 5,888.61 is: 8,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.23 : 19,363.14 = 5,888.61 : x
  2. Step 2: Convert to fraction form
    12,910.23/19,363.14 = 5,888.61/x
  3. Step 3: Cross multiply
    12,910.23x = 19,363.14 × 5,888.61
  4. Step 4: Simplify right side
    12,910.23x = 114,021,979.84
  5. Step 5: Solve for x
    x = 114,021,979.84/12,910.23
  6. Step 6: Final answer
    x = 8,831.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.