Home / 9,518.76-13,135.44-5,269.52

Finding the Fourth Proportional to 9,518.76, 13,135.44 and 5,269.52

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Solution

The fourth proportional to 9,518.76, 13,135.44 and 5,269.52 is: 7,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.76 : 13,135.44 = 5,269.52 : x
  2. Step 2: Convert to fraction form
    9,518.76/13,135.44 = 5,269.52/x
  3. Step 3: Cross multiply
    9,518.76x = 13,135.44 × 5,269.52
  4. Step 4: Simplify right side
    9,518.76x = 69,217,463.79
  5. Step 5: Solve for x
    x = 69,217,463.79/9,518.76
  6. Step 6: Final answer
    x = 7,271.69

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Double 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.