Home / 42,606.84-63,910.67-11,442.09

Finding the Fourth Proportional to 42,606.84, 63,910.67 and 11,442.09

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Solution

The fourth proportional to 42,606.84, 63,910.67 and 11,442.09 is: 17,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,606.84 : 63,910.67 = 11,442.09 : x
  2. Step 2: Convert to fraction form
    42,606.84/63,910.67 = 11,442.09/x
  3. Step 3: Cross multiply
    42,606.84x = 63,910.67 × 11,442.09
  4. Step 4: Simplify right side
    42,606.84x = 731,271,638.10
  5. Step 5: Solve for x
    x = 731,271,638.10/42,606.84
  6. Step 6: Final answer
    x = 17,163.25

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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.