Home / 11,416.70-15,756.18-6,700.88

Finding the Fourth Proportional to 11,416.70, 15,756.18 and 6,700.88

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Solution

The fourth proportional to 11,416.70, 15,756.18 and 6,700.88 is: 9,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.70 : 15,756.18 = 6,700.88 : x
  2. Step 2: Convert to fraction form
    11,416.70/15,756.18 = 6,700.88/x
  3. Step 3: Cross multiply
    11,416.70x = 15,756.18 × 6,700.88
  4. Step 4: Simplify right side
    11,416.70x = 105,580,271.44
  5. Step 5: Solve for x
    x = 105,580,271.44/11,416.70
  6. Step 6: Final answer
    x = 9,247.88

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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.