Home / 11,516.84-15,882.36-10,657.76

Finding the Fourth Proportional to 11,516.84, 15,882.36 and 10,657.76

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Solution

The fourth proportional to 11,516.84, 15,882.36 and 10,657.76 is: 14,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.84 : 15,882.36 = 10,657.76 : x
  2. Step 2: Convert to fraction form
    11,516.84/15,882.36 = 10,657.76/x
  3. Step 3: Cross multiply
    11,516.84x = 15,882.36 × 10,657.76
  4. Step 4: Simplify right side
    11,516.84x = 169,270,381.11
  5. Step 5: Solve for x
    x = 169,270,381.11/11,516.84
  6. Step 6: Final answer
    x = 14,697.64

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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.