Home / 13,272.33-18,315.99-7,607.34

Finding the Fourth Proportional to 13,272.33, 18,315.99 and 7,607.34

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Solution

The fourth proportional to 13,272.33, 18,315.99 and 7,607.34 is: 10,498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.33 : 18,315.99 = 7,607.34 : x
  2. Step 2: Convert to fraction form
    13,272.33/18,315.99 = 7,607.34/x
  3. Step 3: Cross multiply
    13,272.33x = 18,315.99 × 7,607.34
  4. Step 4: Simplify right side
    13,272.33x = 139,335,963.37
  5. Step 5: Solve for x
    x = 139,335,963.37/13,272.33
  6. Step 6: Final answer
    x = 10,498.23

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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.