Home / 11,339.91-15,648.75-6,303.99

Finding the Fourth Proportional to 11,339.91, 15,648.75 and 6,303.99

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Solution

The fourth proportional to 11,339.91, 15,648.75 and 6,303.99 is: 8,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.91 : 15,648.75 = 6,303.99 : x
  2. Step 2: Convert to fraction form
    11,339.91/15,648.75 = 6,303.99/x
  3. Step 3: Cross multiply
    11,339.91x = 15,648.75 × 6,303.99
  4. Step 4: Simplify right side
    11,339.91x = 98,649,563.51
  5. Step 5: Solve for x
    x = 98,649,563.51/11,339.91
  6. Step 6: Final answer
    x = 8,699.33

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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.