Home / 11,975.68-16,526.01-6,670.21

Finding the Fourth Proportional to 11,975.68, 16,526.01 and 6,670.21

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Solution

The fourth proportional to 11,975.68, 16,526.01 and 6,670.21 is: 9,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.68 : 16,526.01 = 6,670.21 : x
  2. Step 2: Convert to fraction form
    11,975.68/16,526.01 = 6,670.21/x
  3. Step 3: Cross multiply
    11,975.68x = 16,526.01 × 6,670.21
  4. Step 4: Simplify right side
    11,975.68x = 110,231,957.16
  5. Step 5: Solve for x
    x = 110,231,957.16/11,975.68
  6. Step 6: Final answer
    x = 9,204.65

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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.