Home / 9,809.38-13,533.95-5,559.76

Finding the Fourth Proportional to 9,809.38, 13,533.95 and 5,559.76

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Solution

The fourth proportional to 9,809.38, 13,533.95 and 5,559.76 is: 7,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.38 : 13,533.95 = 5,559.76 : x
  2. Step 2: Convert to fraction form
    9,809.38/13,533.95 = 5,559.76/x
  3. Step 3: Cross multiply
    9,809.38x = 13,533.95 × 5,559.76
  4. Step 4: Simplify right side
    9,809.38x = 75,245,418.38
  5. Step 5: Solve for x
    x = 75,245,418.38/9,809.38
  6. Step 6: Final answer
    x = 7,670.77

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Half scale
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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.