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Finding the Fourth Proportional to 11,656.13, 17,484.18 and 5,412.73

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Solution

The fourth proportional to 11,656.13, 17,484.18 and 5,412.73 is: 8,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.13 : 17,484.18 = 5,412.73 : x
  2. Step 2: Convert to fraction form
    11,656.13/17,484.18 = 5,412.73/x
  3. Step 3: Cross multiply
    11,656.13x = 17,484.18 × 5,412.73
  4. Step 4: Simplify right side
    11,656.13x = 94,637,048.82
  5. Step 5: Solve for x
    x = 94,637,048.82/11,656.13
  6. Step 6: Final answer
    x = 8,119.08

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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.