Home / 10,634.80-15,946.36-5,089.56

Finding the Fourth Proportional to 10,634.80, 15,946.36 and 5,089.56

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Solution

The fourth proportional to 10,634.80, 15,946.36 and 5,089.56 is: 7,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.80 : 15,946.36 = 5,089.56 : x
  2. Step 2: Convert to fraction form
    10,634.80/15,946.36 = 5,089.56/x
  3. Step 3: Cross multiply
    10,634.80x = 15,946.36 × 5,089.56
  4. Step 4: Simplify right side
    10,634.80x = 81,159,956.00
  5. Step 5: Solve for x
    x = 81,159,956.00/10,634.80
  6. Step 6: Final answer
    x = 7,631.55

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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.