Home / 13,117.54-19,682.13-6,876.07

Finding the Fourth Proportional to 13,117.54, 19,682.13 and 6,876.07

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Solution

The fourth proportional to 13,117.54, 19,682.13 and 6,876.07 is: 10,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.54 : 19,682.13 = 6,876.07 : x
  2. Step 2: Convert to fraction form
    13,117.54/19,682.13 = 6,876.07/x
  3. Step 3: Cross multiply
    13,117.54x = 19,682.13 × 6,876.07
  4. Step 4: Simplify right side
    13,117.54x = 135,335,703.63
  5. Step 5: Solve for x
    x = 135,335,703.63/13,117.54
  6. Step 6: Final answer
    x = 10,317.16

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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.