Home / 9,774.44-13,488.90-5,298.34

Finding the Fourth Proportional to 9,774.44, 13,488.90 and 5,298.34

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Solution

The fourth proportional to 9,774.44, 13,488.90 and 5,298.34 is: 7,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,774.44 : 13,488.90 = 5,298.34 : x
  2. Step 2: Convert to fraction form
    9,774.44/13,488.90 = 5,298.34/x
  3. Step 3: Cross multiply
    9,774.44x = 13,488.90 × 5,298.34
  4. Step 4: Simplify right side
    9,774.44x = 71,468,778.43
  5. Step 5: Solve for x
    x = 71,468,778.43/9,774.44
  6. Step 6: Final answer
    x = 7,311.80

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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.