Home / 42,996.88-64,492.26-11,406.25

Finding the Fourth Proportional to 42,996.88, 64,492.26 and 11,406.25

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Solution

The fourth proportional to 42,996.88, 64,492.26 and 11,406.25 is: 17,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,996.88 : 64,492.26 = 11,406.25 : x
  2. Step 2: Convert to fraction form
    42,996.88/64,492.26 = 11,406.25/x
  3. Step 3: Cross multiply
    42,996.88x = 64,492.26 × 11,406.25
  4. Step 4: Simplify right side
    42,996.88x = 735,614,840.63
  5. Step 5: Solve for x
    x = 735,614,840.63/42,996.88
  6. Step 6: Final answer
    x = 17,108.56

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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.