Home / 10,455.95-15,674.69-8,001.73

Finding the Fourth Proportional to 10,455.95, 15,674.69 and 8,001.73

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Solution

The fourth proportional to 10,455.95, 15,674.69 and 8,001.73 is: 11,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.95 : 15,674.69 = 8,001.73 : x
  2. Step 2: Convert to fraction form
    10,455.95/15,674.69 = 8,001.73/x
  3. Step 3: Cross multiply
    10,455.95x = 15,674.69 × 8,001.73
  4. Step 4: Simplify right side
    10,455.95x = 125,424,653.47
  5. Step 5: Solve for x
    x = 125,424,653.47/10,455.95
  6. Step 6: Final answer
    x = 11,995.52

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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.