Home / 11,282.61-15,562.09-7,873.93

Finding the Fourth Proportional to 11,282.61, 15,562.09 and 7,873.93

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Solution

The fourth proportional to 11,282.61, 15,562.09 and 7,873.93 is: 10,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.61 : 15,562.09 = 7,873.93 : x
  2. Step 2: Convert to fraction form
    11,282.61/15,562.09 = 7,873.93/x
  3. Step 3: Cross multiply
    11,282.61x = 15,562.09 × 7,873.93
  4. Step 4: Simplify right side
    11,282.61x = 122,534,807.31
  5. Step 5: Solve for x
    x = 122,534,807.31/11,282.61
  6. Step 6: Final answer
    x = 10,860.50

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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.