Home / 11,339.07-15,647.75-6,303.30

Finding the Fourth Proportional to 11,339.07, 15,647.75 and 6,303.30

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Solution

The fourth proportional to 11,339.07, 15,647.75 and 6,303.30 is: 8,698.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.07 : 15,647.75 = 6,303.30 : x
  2. Step 2: Convert to fraction form
    11,339.07/15,647.75 = 6,303.30/x
  3. Step 3: Cross multiply
    11,339.07x = 15,647.75 × 6,303.30
  4. Step 4: Simplify right side
    11,339.07x = 98,632,462.58
  5. Step 5: Solve for x
    x = 98,632,462.58/11,339.07
  6. Step 6: Final answer
    x = 8,698.46

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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.