Home / 11,338.99-15,647.79-6,303.06

Finding the Fourth Proportional to 11,338.99, 15,647.79 and 6,303.06

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Solution

The fourth proportional to 11,338.99, 15,647.79 and 6,303.06 is: 8,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.99 : 15,647.79 = 6,303.06 : x
  2. Step 2: Convert to fraction form
    11,338.99/15,647.79 = 6,303.06/x
  3. Step 3: Cross multiply
    11,338.99x = 15,647.79 × 6,303.06
  4. Step 4: Simplify right side
    11,338.99x = 98,628,959.24
  5. Step 5: Solve for x
    x = 98,628,959.24/11,338.99
  6. Step 6: Final answer
    x = 8,698.21

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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.