Home / 7,992.07-11,988.30-4,707.52

Finding the Fourth Proportional to 7,992.07, 11,988.30 and 4,707.52

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Solution

The fourth proportional to 7,992.07, 11,988.30 and 4,707.52 is: 7,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.07 : 11,988.30 = 4,707.52 : x
  2. Step 2: Convert to fraction form
    7,992.07/11,988.30 = 4,707.52/x
  3. Step 3: Cross multiply
    7,992.07x = 11,988.30 × 4,707.52
  4. Step 4: Simplify right side
    7,992.07x = 56,435,149.70
  5. Step 5: Solve for x
    x = 56,435,149.70/7,992.07
  6. Step 6: Final answer
    x = 7,061.40

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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.