Home / 11,125.34-16,688.52-6,191.26

Finding the Fourth Proportional to 11,125.34, 16,688.52 and 6,191.26

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Solution

The fourth proportional to 11,125.34, 16,688.52 and 6,191.26 is: 9,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.34 : 16,688.52 = 6,191.26 : x
  2. Step 2: Convert to fraction form
    11,125.34/16,688.52 = 6,191.26/x
  3. Step 3: Cross multiply
    11,125.34x = 16,688.52 × 6,191.26
  4. Step 4: Simplify right side
    11,125.34x = 103,322,962.84
  5. Step 5: Solve for x
    x = 103,322,962.84/11,125.34
  6. Step 6: Final answer
    x = 9,287.18

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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.