Home / 11,215.32-16,837.86-9,582.36

Finding the Fourth Proportional to 11,215.32, 16,837.86 and 9,582.36

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Solution

The fourth proportional to 11,215.32, 16,837.86 and 9,582.36 is: 14,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.32 : 16,837.86 = 9,582.36 : x
  2. Step 2: Convert to fraction form
    11,215.32/16,837.86 = 9,582.36/x
  3. Step 3: Cross multiply
    11,215.32x = 16,837.86 × 9,582.36
  4. Step 4: Simplify right side
    11,215.32x = 161,346,436.15
  5. Step 5: Solve for x
    x = 161,346,436.15/11,215.32
  6. Step 6: Final answer
    x = 14,386.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.