Home / 7,943.40-10,952.82-5,698.08

Finding the Fourth Proportional to 7,943.40, 10,952.82 and 5,698.08

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Solution

The fourth proportional to 7,943.40, 10,952.82 and 5,698.08 is: 7,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.40 : 10,952.82 = 5,698.08 : x
  2. Step 2: Convert to fraction form
    7,943.40/10,952.82 = 5,698.08/x
  3. Step 3: Cross multiply
    7,943.40x = 10,952.82 × 5,698.08
  4. Step 4: Simplify right side
    7,943.40x = 62,410,044.59
  5. Step 5: Solve for x
    x = 62,410,044.59/7,943.40
  6. Step 6: Final answer
    x = 7,856.84

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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.