Home / 9,988.24-13,780.44-5,795.44

Finding the Fourth Proportional to 9,988.24, 13,780.44 and 5,795.44

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Solution

The fourth proportional to 9,988.24, 13,780.44 and 5,795.44 is: 7,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.24 : 13,780.44 = 5,795.44 : x
  2. Step 2: Convert to fraction form
    9,988.24/13,780.44 = 5,795.44/x
  3. Step 3: Cross multiply
    9,988.24x = 13,780.44 × 5,795.44
  4. Step 4: Simplify right side
    9,988.24x = 79,863,713.19
  5. Step 5: Solve for x
    x = 79,863,713.19/9,988.24
  6. Step 6: Final answer
    x = 7,995.77

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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.