Home / 11,053.32-15,249.07-6,803.10

Finding the Fourth Proportional to 11,053.32, 15,249.07 and 6,803.10

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Solution

The fourth proportional to 11,053.32, 15,249.07 and 6,803.10 is: 9,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.32 : 15,249.07 = 6,803.10 : x
  2. Step 2: Convert to fraction form
    11,053.32/15,249.07 = 6,803.10/x
  3. Step 3: Cross multiply
    11,053.32x = 15,249.07 × 6,803.10
  4. Step 4: Simplify right side
    11,053.32x = 103,740,914.10
  5. Step 5: Solve for x
    x = 103,740,914.10/11,053.32
  6. Step 6: Final answer
    x = 9,385.50

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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.