Home / 10,919.51-15,068.93-6,204.70

Finding the Fourth Proportional to 10,919.51, 15,068.93 and 6,204.70

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Solution

The fourth proportional to 10,919.51, 15,068.93 and 6,204.70 is: 8,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.51 : 15,068.93 = 6,204.70 : x
  2. Step 2: Convert to fraction form
    10,919.51/15,068.93 = 6,204.70/x
  3. Step 3: Cross multiply
    10,919.51x = 15,068.93 × 6,204.70
  4. Step 4: Simplify right side
    10,919.51x = 93,498,189.97
  5. Step 5: Solve for x
    x = 93,498,189.97/10,919.51
  6. Step 6: Final answer
    x = 8,562.49

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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.