Home / 12,251.51-18,374.76-3,484.07

Finding the Fourth Proportional to 12,251.51, 18,374.76 and 3,484.07

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Solution

The fourth proportional to 12,251.51, 18,374.76 and 3,484.07 is: 5,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.51 : 18,374.76 = 3,484.07 : x
  2. Step 2: Convert to fraction form
    12,251.51/18,374.76 = 3,484.07/x
  3. Step 3: Cross multiply
    12,251.51x = 18,374.76 × 3,484.07
  4. Step 4: Simplify right side
    12,251.51x = 64,018,858.20
  5. Step 5: Solve for x
    x = 64,018,858.20/12,251.51
  6. Step 6: Final answer
    x = 5,225.39

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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.