Home / 35,186.16-52,784.10-11,819.28

Finding the Fourth Proportional to 35,186.16, 52,784.10 and 11,819.28

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Solution

The fourth proportional to 35,186.16, 52,784.10 and 11,819.28 is: 17,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,186.16 : 52,784.10 = 11,819.28 : x
  2. Step 2: Convert to fraction form
    35,186.16/52,784.10 = 11,819.28/x
  3. Step 3: Cross multiply
    35,186.16x = 52,784.10 × 11,819.28
  4. Step 4: Simplify right side
    35,186.16x = 623,870,057.45
  5. Step 5: Solve for x
    x = 623,870,057.45/35,186.16
  6. Step 6: Final answer
    x = 17,730.55

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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.