Home / 9,203.13-12,698.55-5,427.45

Finding the Fourth Proportional to 9,203.13, 12,698.55 and 5,427.45

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Solution

The fourth proportional to 9,203.13, 12,698.55 and 5,427.45 is: 7,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.13 : 12,698.55 = 5,427.45 : x
  2. Step 2: Convert to fraction form
    9,203.13/12,698.55 = 5,427.45/x
  3. Step 3: Cross multiply
    9,203.13x = 12,698.55 × 5,427.45
  4. Step 4: Simplify right side
    9,203.13x = 68,920,745.20
  5. Step 5: Solve for x
    x = 68,920,745.20/9,203.13
  6. Step 6: Final answer
    x = 7,488.84

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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.