Home / 13,249.23-18,284.29-7,281.06

Finding the Fourth Proportional to 13,249.23, 18,284.29 and 7,281.06

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Solution

The fourth proportional to 13,249.23, 18,284.29 and 7,281.06 is: 10,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.23 : 18,284.29 = 7,281.06 : x
  2. Step 2: Convert to fraction form
    13,249.23/18,284.29 = 7,281.06/x
  3. Step 3: Cross multiply
    13,249.23x = 18,284.29 × 7,281.06
  4. Step 4: Simplify right side
    13,249.23x = 133,128,969.47
  5. Step 5: Solve for x
    x = 133,128,969.47/13,249.23
  6. Step 6: Final answer
    x = 10,048.05

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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.