Home / 11,166.08-15,409.11-6,130.38

Finding the Fourth Proportional to 11,166.08, 15,409.11 and 6,130.38

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Solution

The fourth proportional to 11,166.08, 15,409.11 and 6,130.38 is: 8,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.08 : 15,409.11 = 6,130.38 : x
  2. Step 2: Convert to fraction form
    11,166.08/15,409.11 = 6,130.38/x
  3. Step 3: Cross multiply
    11,166.08x = 15,409.11 × 6,130.38
  4. Step 4: Simplify right side
    11,166.08x = 94,463,780.53
  5. Step 5: Solve for x
    x = 94,463,780.53/11,166.08
  6. Step 6: Final answer
    x = 8,459.89

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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.