Home / 10,887.84-15,025.03-6,107.80

Finding the Fourth Proportional to 10,887.84, 15,025.03 and 6,107.80

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Solution

The fourth proportional to 10,887.84, 15,025.03 and 6,107.80 is: 8,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.84 : 15,025.03 = 6,107.80 : x
  2. Step 2: Convert to fraction form
    10,887.84/15,025.03 = 6,107.80/x
  3. Step 3: Cross multiply
    10,887.84x = 15,025.03 × 6,107.80
  4. Step 4: Simplify right side
    10,887.84x = 91,769,821.24
  5. Step 5: Solve for x
    x = 91,769,821.24/10,887.84
  6. Step 6: Final answer
    x = 8,428.65

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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.