Home / 10,895.48-15,035.06-6,418.38

Finding the Fourth Proportional to 10,895.48, 15,035.06 and 6,418.38

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Solution

The fourth proportional to 10,895.48, 15,035.06 and 6,418.38 is: 8,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.48 : 15,035.06 = 6,418.38 : x
  2. Step 2: Convert to fraction form
    10,895.48/15,035.06 = 6,418.38/x
  3. Step 3: Cross multiply
    10,895.48x = 15,035.06 × 6,418.38
  4. Step 4: Simplify right side
    10,895.48x = 96,500,728.40
  5. Step 5: Solve for x
    x = 96,500,728.40/10,895.48
  6. Step 6: Final answer
    x = 8,856.95

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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.