Home / 11,215.96-15,477.28-6,737.05

Finding the Fourth Proportional to 11,215.96, 15,477.28 and 6,737.05

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Solution

The fourth proportional to 11,215.96, 15,477.28 and 6,737.05 is: 9,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.96 : 15,477.28 = 6,737.05 : x
  2. Step 2: Convert to fraction form
    11,215.96/15,477.28 = 6,737.05/x
  3. Step 3: Cross multiply
    11,215.96x = 15,477.28 × 6,737.05
  4. Step 4: Simplify right side
    11,215.96x = 104,271,209.22
  5. Step 5: Solve for x
    x = 104,271,209.22/11,215.96
  6. Step 6: Final answer
    x = 9,296.68

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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.