Home / 11,622.78-16,039.79-6,587.01

Finding the Fourth Proportional to 11,622.78, 16,039.79 and 6,587.01

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Solution

The fourth proportional to 11,622.78, 16,039.79 and 6,587.01 is: 9,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.78 : 16,039.79 = 6,587.01 : x
  2. Step 2: Convert to fraction form
    11,622.78/16,039.79 = 6,587.01/x
  3. Step 3: Cross multiply
    11,622.78x = 16,039.79 × 6,587.01
  4. Step 4: Simplify right side
    11,622.78x = 105,654,224.19
  5. Step 5: Solve for x
    x = 105,654,224.19/11,622.78
  6. Step 6: Final answer
    x = 9,090.27

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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.