Home / 10,819.95-14,931.51-6,104.22

Finding the Fourth Proportional to 10,819.95, 14,931.51 and 6,104.22

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Solution

The fourth proportional to 10,819.95, 14,931.51 and 6,104.22 is: 8,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.95 : 14,931.51 = 6,104.22 : x
  2. Step 2: Convert to fraction form
    10,819.95/14,931.51 = 6,104.22/x
  3. Step 3: Cross multiply
    10,819.95x = 14,931.51 × 6,104.22
  4. Step 4: Simplify right side
    10,819.95x = 91,145,221.97
  5. Step 5: Solve for x
    x = 91,145,221.97/10,819.95
  6. Step 6: Final answer
    x = 8,423.81

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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.