Home / 12,479.43-18,709.91-5,897.93

Finding the Fourth Proportional to 12,479.43, 18,709.91 and 5,897.93

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Solution

The fourth proportional to 12,479.43, 18,709.91 and 5,897.93 is: 8,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479.43 : 18,709.91 = 5,897.93 : x
  2. Step 2: Convert to fraction form
    12,479.43/18,709.91 = 5,897.93/x
  3. Step 3: Cross multiply
    12,479.43x = 18,709.91 × 5,897.93
  4. Step 4: Simplify right side
    12,479.43x = 110,349,710.00
  5. Step 5: Solve for x
    x = 110,349,710.00/12,479.43
  6. Step 6: Final answer
    x = 8,842.53

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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.