Home / 11,149.22-15,386.22-6,303.58

Finding the Fourth Proportional to 11,149.22, 15,386.22 and 6,303.58

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Solution

The fourth proportional to 11,149.22, 15,386.22 and 6,303.58 is: 8,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.22 : 15,386.22 = 6,303.58 : x
  2. Step 2: Convert to fraction form
    11,149.22/15,386.22 = 6,303.58/x
  3. Step 3: Cross multiply
    11,149.22x = 15,386.22 × 6,303.58
  4. Step 4: Simplify right side
    11,149.22x = 96,988,230.20
  5. Step 5: Solve for x
    x = 96,988,230.20/11,149.22
  6. Step 6: Final answer
    x = 8,699.10

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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.