Home / 7,542.14-11,312.70-1,995.36

Finding the Fourth Proportional to 7,542.14, 11,312.70 and 1,995.36

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Solution

The fourth proportional to 7,542.14, 11,312.70 and 1,995.36 is: 2,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.14 : 11,312.70 = 1,995.36 : x
  2. Step 2: Convert to fraction form
    7,542.14/11,312.70 = 1,995.36/x
  3. Step 3: Cross multiply
    7,542.14x = 11,312.70 × 1,995.36
  4. Step 4: Simplify right side
    7,542.14x = 22,572,909.07
  5. Step 5: Solve for x
    x = 22,572,909.07/7,542.14
  6. Step 6: Final answer
    x = 2,992.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.