Home / 10,963.84-15,130.56-6,249.28

Finding the Fourth Proportional to 10,963.84, 15,130.56 and 6,249.28

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Solution

The fourth proportional to 10,963.84, 15,130.56 and 6,249.28 is: 8,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.84 : 15,130.56 = 6,249.28 : x
  2. Step 2: Convert to fraction form
    10,963.84/15,130.56 = 6,249.28/x
  3. Step 3: Cross multiply
    10,963.84x = 15,130.56 × 6,249.28
  4. Step 4: Simplify right side
    10,963.84x = 94,555,106.00
  5. Step 5: Solve for x
    x = 94,555,106.00/10,963.84
  6. Step 6: Final answer
    x = 8,624.27

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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.