Home / 11,518.19-15,896.39-6,483.63

Finding the Fourth Proportional to 11,518.19, 15,896.39 and 6,483.63

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Solution

The fourth proportional to 11,518.19, 15,896.39 and 6,483.63 is: 8,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.19 : 15,896.39 = 6,483.63 : x
  2. Step 2: Convert to fraction form
    11,518.19/15,896.39 = 6,483.63/x
  3. Step 3: Cross multiply
    11,518.19x = 15,896.39 × 6,483.63
  4. Step 4: Simplify right side
    11,518.19x = 103,066,311.10
  5. Step 5: Solve for x
    x = 103,066,311.10/11,518.19
  6. Step 6: Final answer
    x = 8,948.13

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Half scale
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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.