Home / 10,891.14-15,035.67-7,360.62

Finding the Fourth Proportional to 10,891.14, 15,035.67 and 7,360.62

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Solution

The fourth proportional to 10,891.14, 15,035.67 and 7,360.62 is: 10,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.14 : 15,035.67 = 7,360.62 : x
  2. Step 2: Convert to fraction form
    10,891.14/15,035.67 = 7,360.62/x
  3. Step 3: Cross multiply
    10,891.14x = 15,035.67 × 7,360.62
  4. Step 4: Simplify right side
    10,891.14x = 110,671,853.32
  5. Step 5: Solve for x
    x = 110,671,853.32/10,891.14
  6. Step 6: Final answer
    x = 10,161.64

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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.