Home / 10,363.42-14,298.01-6,328.78

Finding the Fourth Proportional to 10,363.42, 14,298.01 and 6,328.78

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Solution

The fourth proportional to 10,363.42, 14,298.01 and 6,328.78 is: 8,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.42 : 14,298.01 = 6,328.78 : x
  2. Step 2: Convert to fraction form
    10,363.42/14,298.01 = 6,328.78/x
  3. Step 3: Cross multiply
    10,363.42x = 14,298.01 × 6,328.78
  4. Step 4: Simplify right side
    10,363.42x = 90,488,959.73
  5. Step 5: Solve for x
    x = 90,488,959.73/10,363.42
  6. Step 6: Final answer
    x = 8,731.57

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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.