Home / 11,185.34-15,435.80-6,150.08

Finding the Fourth Proportional to 11,185.34, 15,435.80 and 6,150.08

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Solution

The fourth proportional to 11,185.34, 15,435.80 and 6,150.08 is: 8,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.34 : 15,435.80 = 6,150.08 : x
  2. Step 2: Convert to fraction form
    11,185.34/15,435.80 = 6,150.08/x
  3. Step 3: Cross multiply
    11,185.34x = 15,435.80 × 6,150.08
  4. Step 4: Simplify right side
    11,185.34x = 94,931,404.86
  5. Step 5: Solve for x
    x = 94,931,404.86/11,185.34
  6. Step 6: Final answer
    x = 8,487.13

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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.