Home / 43,074.12-64,611-11,484.12

Finding the Fourth Proportional to 43,074.12, 64,611 and 11,484.12

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Solution

The fourth proportional to 43,074.12, 64,611 and 11,484.12 is: 17,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,074.12 : 64,611 = 11,484.12 : x
  2. Step 2: Convert to fraction form
    43,074.12/64,611 = 11,484.12/x
  3. Step 3: Cross multiply
    43,074.12x = 64,611 × 11,484.12
  4. Step 4: Simplify right side
    43,074.12x = 742,000,477.32
  5. Step 5: Solve for x
    x = 742,000,477.32/43,074.12
  6. Step 6: Final answer
    x = 17,226.13

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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.