Home / 11,875.52-16,388.70-6,570.25

Finding the Fourth Proportional to 11,875.52, 16,388.70 and 6,570.25

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Solution

The fourth proportional to 11,875.52, 16,388.70 and 6,570.25 is: 9,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.52 : 16,388.70 = 6,570.25 : x
  2. Step 2: Convert to fraction form
    11,875.52/16,388.70 = 6,570.25/x
  3. Step 3: Cross multiply
    11,875.52x = 16,388.70 × 6,570.25
  4. Step 4: Simplify right side
    11,875.52x = 107,677,856.18
  5. Step 5: Solve for x
    x = 107,677,856.18/11,875.52
  6. Step 6: Final answer
    x = 9,067.21

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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.