Home / 9,557.81-13,206.89-7,477.73

Finding the Fourth Proportional to 9,557.81, 13,206.89 and 7,477.73

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Solution

The fourth proportional to 9,557.81, 13,206.89 and 7,477.73 is: 10,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,557.81 : 13,206.89 = 7,477.73 : x
  2. Step 2: Convert to fraction form
    9,557.81/13,206.89 = 7,477.73/x
  3. Step 3: Cross multiply
    9,557.81x = 13,206.89 × 7,477.73
  4. Step 4: Simplify right side
    9,557.81x = 98,757,557.56
  5. Step 5: Solve for x
    x = 98,757,557.56/9,557.81
  6. Step 6: Final answer
    x = 10,332.66

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Half scale
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Double scale
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Similar ratio
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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.