Home / 11,416.74-15,748.68-6,700.11

Finding the Fourth Proportional to 11,416.74, 15,748.68 and 6,700.11

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Solution

The fourth proportional to 11,416.74, 15,748.68 and 6,700.11 is: 9,242.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.74 : 15,748.68 = 6,700.11 : x
  2. Step 2: Convert to fraction form
    11,416.74/15,748.68 = 6,700.11/x
  3. Step 3: Cross multiply
    11,416.74x = 15,748.68 × 6,700.11
  4. Step 4: Simplify right side
    11,416.74x = 105,517,888.35
  5. Step 5: Solve for x
    x = 105,517,888.35/11,416.74
  6. Step 6: Final answer
    x = 9,242.38

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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.