Home / 9,648.24-13,308.60-6,621.98

Finding the Fourth Proportional to 9,648.24, 13,308.60 and 6,621.98

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Solution

The fourth proportional to 9,648.24, 13,308.60 and 6,621.98 is: 9,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648.24 : 13,308.60 = 6,621.98 : x
  2. Step 2: Convert to fraction form
    9,648.24/13,308.60 = 6,621.98/x
  3. Step 3: Cross multiply
    9,648.24x = 13,308.60 × 6,621.98
  4. Step 4: Simplify right side
    9,648.24x = 88,129,216.49
  5. Step 5: Solve for x
    x = 88,129,216.49/9,648.24
  6. Step 6: Final answer
    x = 9,134.23

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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.