Home / 11,240.90-15,511.65-6,204.32

Finding the Fourth Proportional to 11,240.90, 15,511.65 and 6,204.32

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Solution

The fourth proportional to 11,240.90, 15,511.65 and 6,204.32 is: 8,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.90 : 15,511.65 = 6,204.32 : x
  2. Step 2: Convert to fraction form
    11,240.90/15,511.65 = 6,204.32/x
  3. Step 3: Cross multiply
    11,240.90x = 15,511.65 × 6,204.32
  4. Step 4: Simplify right side
    11,240.90x = 96,239,162.77
  5. Step 5: Solve for x
    x = 96,239,162.77/11,240.90
  6. Step 6: Final answer
    x = 8,561.52

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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.