Home / 7,637.36-11,448.99-5,298.47

Finding the Fourth Proportional to 7,637.36, 11,448.99 and 5,298.47

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Solution

The fourth proportional to 7,637.36, 11,448.99 and 5,298.47 is: 7,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.36 : 11,448.99 = 5,298.47 : x
  2. Step 2: Convert to fraction form
    7,637.36/11,448.99 = 5,298.47/x
  3. Step 3: Cross multiply
    7,637.36x = 11,448.99 × 5,298.47
  4. Step 4: Simplify right side
    7,637.36x = 60,662,115.73
  5. Step 5: Solve for x
    x = 60,662,115.73/7,637.36
  6. Step 6: Final answer
    x = 7,942.82

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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.