Home / 11,338.92-15,647.64-6,303.06

Finding the Fourth Proportional to 11,338.92, 15,647.64 and 6,303.06

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Solution

The fourth proportional to 11,338.92, 15,647.64 and 6,303.06 is: 8,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.92 : 15,647.64 = 6,303.06 : x
  2. Step 2: Convert to fraction form
    11,338.92/15,647.64 = 6,303.06/x
  3. Step 3: Cross multiply
    11,338.92x = 15,647.64 × 6,303.06
  4. Step 4: Simplify right side
    11,338.92x = 98,628,013.78
  5. Step 5: Solve for x
    x = 98,628,013.78/11,338.92
  6. Step 6: Final answer
    x = 8,698.18

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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.