Home / 12,410.15-17,125.70-7,104.51

Finding the Fourth Proportional to 12,410.15, 17,125.70 and 7,104.51

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Solution

The fourth proportional to 12,410.15, 17,125.70 and 7,104.51 is: 9,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.15 : 17,125.70 = 7,104.51 : x
  2. Step 2: Convert to fraction form
    12,410.15/17,125.70 = 7,104.51/x
  3. Step 3: Cross multiply
    12,410.15x = 17,125.70 × 7,104.51
  4. Step 4: Simplify right side
    12,410.15x = 121,669,671.38
  5. Step 5: Solve for x
    x = 121,669,671.38/12,410.15
  6. Step 6: Final answer
    x = 9,804.05

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Double scale
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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.