Home / 10,440.18-14,408.04-6,193.76

Finding the Fourth Proportional to 10,440.18, 14,408.04 and 6,193.76

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Solution

The fourth proportional to 10,440.18, 14,408.04 and 6,193.76 is: 8,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.18 : 14,408.04 = 6,193.76 : x
  2. Step 2: Convert to fraction form
    10,440.18/14,408.04 = 6,193.76/x
  3. Step 3: Cross multiply
    10,440.18x = 14,408.04 × 6,193.76
  4. Step 4: Simplify right side
    10,440.18x = 89,239,869.79
  5. Step 5: Solve for x
    x = 89,239,869.79/10,440.18
  6. Step 6: Final answer
    x = 8,547.73

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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.