Home / 11,975.55-16,526.28-6,670.55

Finding the Fourth Proportional to 11,975.55, 16,526.28 and 6,670.55

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Solution

The fourth proportional to 11,975.55, 16,526.28 and 6,670.55 is: 9,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.55 : 16,526.28 = 6,670.55 : x
  2. Step 2: Convert to fraction form
    11,975.55/16,526.28 = 6,670.55/x
  3. Step 3: Cross multiply
    11,975.55x = 16,526.28 × 6,670.55
  4. Step 4: Simplify right side
    11,975.55x = 110,239,405.86
  5. Step 5: Solve for x
    x = 110,239,405.86/11,975.55
  6. Step 6: Final answer
    x = 9,205.38

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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.