Home / 12,465.36-17,208.54-9,626.36

Finding the Fourth Proportional to 12,465.36, 17,208.54 and 9,626.36

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Solution

The fourth proportional to 12,465.36, 17,208.54 and 9,626.36 is: 13,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.36 : 17,208.54 = 9,626.36 : x
  2. Step 2: Convert to fraction form
    12,465.36/17,208.54 = 9,626.36/x
  3. Step 3: Cross multiply
    12,465.36x = 17,208.54 × 9,626.36
  4. Step 4: Simplify right side
    12,465.36x = 165,655,579.60
  5. Step 5: Solve for x
    x = 165,655,579.60/12,465.36
  6. Step 6: Final answer
    x = 13,289.28

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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.