Home / 12,569.09-17,353.40-11,222.37

Finding the Fourth Proportional to 12,569.09, 17,353.40 and 11,222.37

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Solution

The fourth proportional to 12,569.09, 17,353.40 and 11,222.37 is: 15,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.09 : 17,353.40 = 11,222.37 : x
  2. Step 2: Convert to fraction form
    12,569.09/17,353.40 = 11,222.37/x
  3. Step 3: Cross multiply
    12,569.09x = 17,353.40 × 11,222.37
  4. Step 4: Simplify right side
    12,569.09x = 194,746,219.45
  5. Step 5: Solve for x
    x = 194,746,219.45/12,569.09
  6. Step 6: Final answer
    x = 15,494.06

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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.