Home / 10,898.54-15,040.35-6,426.12

Finding the Fourth Proportional to 10,898.54, 15,040.35 and 6,426.12

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Solution

The fourth proportional to 10,898.54, 15,040.35 and 6,426.12 is: 8,868.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.54 : 15,040.35 = 6,426.12 : x
  2. Step 2: Convert to fraction form
    10,898.54/15,040.35 = 6,426.12/x
  3. Step 3: Cross multiply
    10,898.54x = 15,040.35 × 6,426.12
  4. Step 4: Simplify right side
    10,898.54x = 96,651,093.94
  5. Step 5: Solve for x
    x = 96,651,093.94/10,898.54
  6. Step 6: Final answer
    x = 8,868.26

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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.