Home / 11,979.41-17,875.41-10,734.14

Finding the Fourth Proportional to 11,979.41, 17,875.41 and 10,734.14

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Solution

The fourth proportional to 11,979.41, 17,875.41 and 10,734.14 is: 16,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.41 : 17,875.41 = 10,734.14 : x
  2. Step 2: Convert to fraction form
    11,979.41/17,875.41 = 10,734.14/x
  3. Step 3: Cross multiply
    11,979.41x = 17,875.41 × 10,734.14
  4. Step 4: Simplify right side
    11,979.41x = 191,877,064.12
  5. Step 5: Solve for x
    x = 191,877,064.12/11,979.41
  6. Step 6: Final answer
    x = 16,017.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.