Home / 12,655.09-17,467.74-7,352.29

Finding the Fourth Proportional to 12,655.09, 17,467.74 and 7,352.29

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Solution

The fourth proportional to 12,655.09, 17,467.74 and 7,352.29 is: 10,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655.09 : 17,467.74 = 7,352.29 : x
  2. Step 2: Convert to fraction form
    12,655.09/17,467.74 = 7,352.29/x
  3. Step 3: Cross multiply
    12,655.09x = 17,467.74 × 7,352.29
  4. Step 4: Simplify right side
    12,655.09x = 128,427,890.12
  5. Step 5: Solve for x
    x = 128,427,890.12/12,655.09
  6. Step 6: Final answer
    x = 10,148.32

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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.