Home / 7,578.24-10,456.56-4,434

Finding the Fourth Proportional to 7,578.24, 10,456.56 and 4,434

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Solution

The fourth proportional to 7,578.24, 10,456.56 and 4,434 is: 6,118.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.24 : 10,456.56 = 4,434 : x
  2. Step 2: Convert to fraction form
    7,578.24/10,456.56 = 4,434/x
  3. Step 3: Cross multiply
    7,578.24x = 10,456.56 × 4,434
  4. Step 4: Simplify right side
    7,578.24x = 46,364,387.04
  5. Step 5: Solve for x
    x = 46,364,387.04/7,578.24
  6. Step 6: Final answer
    x = 6,118.09

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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.