Home / 35,151.12-52,721.16-11,777.76

Finding the Fourth Proportional to 35,151.12, 52,721.16 and 11,777.76

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Solution

The fourth proportional to 35,151.12, 52,721.16 and 11,777.76 is: 17,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,151.12 : 52,721.16 = 11,777.76 : x
  2. Step 2: Convert to fraction form
    35,151.12/52,721.16 = 11,777.76/x
  3. Step 3: Cross multiply
    35,151.12x = 52,721.16 × 11,777.76
  4. Step 4: Simplify right side
    35,151.12x = 620,937,169.40
  5. Step 5: Solve for x
    x = 620,937,169.40/35,151.12
  6. Step 6: Final answer
    x = 17,664.79

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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.