Home / 11,242.08-16,877.70-7,558.20

Finding the Fourth Proportional to 11,242.08, 16,877.70 and 7,558.20

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Solution

The fourth proportional to 11,242.08, 16,877.70 and 7,558.20 is: 11,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.08 : 16,877.70 = 7,558.20 : x
  2. Step 2: Convert to fraction form
    11,242.08/16,877.70 = 7,558.20/x
  3. Step 3: Cross multiply
    11,242.08x = 16,877.70 × 7,558.20
  4. Step 4: Simplify right side
    11,242.08x = 127,565,032.14
  5. Step 5: Solve for x
    x = 127,565,032.14/11,242.08
  6. Step 6: Final answer
    x = 11,347.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.