Home / 11,875.79-16,388.60-6,570.97

Finding the Fourth Proportional to 11,875.79, 16,388.60 and 6,570.97

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Solution

The fourth proportional to 11,875.79, 16,388.60 and 6,570.97 is: 9,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.79 : 16,388.60 = 6,570.97 : x
  2. Step 2: Convert to fraction form
    11,875.79/16,388.60 = 6,570.97/x
  3. Step 3: Cross multiply
    11,875.79x = 16,388.60 × 6,570.97
  4. Step 4: Simplify right side
    11,875.79x = 107,688,925.12
  5. Step 5: Solve for x
    x = 107,688,925.12/11,875.79
  6. Step 6: Final answer
    x = 9,067.94

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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.