Home / 10,895.65-15,035.54-6,419.59

Finding the Fourth Proportional to 10,895.65, 15,035.54 and 6,419.59

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Solution

The fourth proportional to 10,895.65, 15,035.54 and 6,419.59 is: 8,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.65 : 15,035.54 = 6,419.59 : x
  2. Step 2: Convert to fraction form
    10,895.65/15,035.54 = 6,419.59/x
  3. Step 3: Cross multiply
    10,895.65x = 15,035.54 × 6,419.59
  4. Step 4: Simplify right side
    10,895.65x = 96,521,932.54
  5. Step 5: Solve for x
    x = 96,521,932.54/10,895.65
  6. Step 6: Final answer
    x = 8,858.76

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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.