Home / 9,518.61-13,135.52-5,269.34

Finding the Fourth Proportional to 9,518.61, 13,135.52 and 5,269.34

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Solution

The fourth proportional to 9,518.61, 13,135.52 and 5,269.34 is: 7,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.61 : 13,135.52 = 5,269.34 : x
  2. Step 2: Convert to fraction form
    9,518.61/13,135.52 = 5,269.34/x
  3. Step 3: Cross multiply
    9,518.61x = 13,135.52 × 5,269.34
  4. Step 4: Simplify right side
    9,518.61x = 69,215,428.93
  5. Step 5: Solve for x
    x = 69,215,428.93/9,518.61
  6. Step 6: Final answer
    x = 7,271.59

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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.