Home / 10,029.93-13,842.75-5,780.18

Finding the Fourth Proportional to 10,029.93, 13,842.75 and 5,780.18

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Solution

The fourth proportional to 10,029.93, 13,842.75 and 5,780.18 is: 7,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.93 : 13,842.75 = 5,780.18 : x
  2. Step 2: Convert to fraction form
    10,029.93/13,842.75 = 5,780.18/x
  3. Step 3: Cross multiply
    10,029.93x = 13,842.75 × 5,780.18
  4. Step 4: Simplify right side
    10,029.93x = 80,013,586.70
  5. Step 5: Solve for x
    x = 80,013,586.70/10,029.93
  6. Step 6: Final answer
    x = 7,977.48

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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.