Home / 35,145.28-52,718.32-11,771.76

Finding the Fourth Proportional to 35,145.28, 52,718.32 and 11,771.76

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Solution

The fourth proportional to 35,145.28, 52,718.32 and 11,771.76 is: 17,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,145.28 : 52,718.32 = 11,771.76 : x
  2. Step 2: Convert to fraction form
    35,145.28/52,718.32 = 11,771.76/x
  3. Step 3: Cross multiply
    35,145.28x = 52,718.32 × 11,771.76
  4. Step 4: Simplify right side
    35,145.28x = 620,587,410.64
  5. Step 5: Solve for x
    x = 620,587,410.64/35,145.28
  6. Step 6: Final answer
    x = 17,657.77

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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.