Home / 11,397.96-15,740.06-10,776.74

Finding the Fourth Proportional to 11,397.96, 15,740.06 and 10,776.74

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Solution

The fourth proportional to 11,397.96, 15,740.06 and 10,776.74 is: 14,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.96 : 15,740.06 = 10,776.74 : x
  2. Step 2: Convert to fraction form
    11,397.96/15,740.06 = 10,776.74/x
  3. Step 3: Cross multiply
    11,397.96x = 15,740.06 × 10,776.74
  4. Step 4: Simplify right side
    11,397.96x = 169,626,401.62
  5. Step 5: Solve for x
    x = 169,626,401.62/11,397.96
  6. Step 6: Final answer
    x = 14,882.17

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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.