Home / 8,387.94-11,574.75-5,029.08

Finding the Fourth Proportional to 8,387.94, 11,574.75 and 5,029.08

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Solution

The fourth proportional to 8,387.94, 11,574.75 and 5,029.08 is: 6,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.94 : 11,574.75 = 5,029.08 : x
  2. Step 2: Convert to fraction form
    8,387.94/11,574.75 = 5,029.08/x
  3. Step 3: Cross multiply
    8,387.94x = 11,574.75 × 5,029.08
  4. Step 4: Simplify right side
    8,387.94x = 58,210,343.73
  5. Step 5: Solve for x
    x = 58,210,343.73/8,387.94
  6. Step 6: Final answer
    x = 6,939.77

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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.