Home / 11,575.45-15,970.88-7,269.00

Finding the Fourth Proportional to 11,575.45, 15,970.88 and 7,269.00

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Solution

The fourth proportional to 11,575.45, 15,970.88 and 7,269.00 is: 10,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.45 : 15,970.88 = 7,269.00 : x
  2. Step 2: Convert to fraction form
    11,575.45/15,970.88 = 7,269.00/x
  3. Step 3: Cross multiply
    11,575.45x = 15,970.88 × 7,269.00
  4. Step 4: Simplify right side
    11,575.45x = 116,092,369.94
  5. Step 5: Solve for x
    x = 116,092,369.94/11,575.45
  6. Step 6: Final answer
    x = 10,029.19

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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.