Home / 10,093.65-13,929.56-6,315.61

Finding the Fourth Proportional to 10,093.65, 13,929.56 and 6,315.61

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Solution

The fourth proportional to 10,093.65, 13,929.56 and 6,315.61 is: 8,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,093.65 : 13,929.56 = 6,315.61 : x
  2. Step 2: Convert to fraction form
    10,093.65/13,929.56 = 6,315.61/x
  3. Step 3: Cross multiply
    10,093.65x = 13,929.56 × 6,315.61
  4. Step 4: Simplify right side
    10,093.65x = 87,973,668.43
  5. Step 5: Solve for x
    x = 87,973,668.43/10,093.65
  6. Step 6: Final answer
    x = 8,715.74

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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.