Home / 13,297.47-18,349.03-7,632.07

Finding the Fourth Proportional to 13,297.47, 18,349.03 and 7,632.07

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Solution

The fourth proportional to 13,297.47, 18,349.03 and 7,632.07 is: 10,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.47 : 18,349.03 = 7,632.07 : x
  2. Step 2: Convert to fraction form
    13,297.47/18,349.03 = 7,632.07/x
  3. Step 3: Cross multiply
    13,297.47x = 18,349.03 × 7,632.07
  4. Step 4: Simplify right side
    13,297.47x = 140,041,148.27
  5. Step 5: Solve for x
    x = 140,041,148.27/13,297.47
  6. Step 6: Final answer
    x = 10,531.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.