Home / 10,910.69-15,056.81-6,130.83

Finding the Fourth Proportional to 10,910.69, 15,056.81 and 6,130.83

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Solution

The fourth proportional to 10,910.69, 15,056.81 and 6,130.83 is: 8,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.69 : 15,056.81 = 6,130.83 : x
  2. Step 2: Convert to fraction form
    10,910.69/15,056.81 = 6,130.83/x
  3. Step 3: Cross multiply
    10,910.69x = 15,056.81 × 6,130.83
  4. Step 4: Simplify right side
    10,910.69x = 92,310,742.45
  5. Step 5: Solve for x
    x = 92,310,742.45/10,910.69
  6. Step 6: Final answer
    x = 8,460.58

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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.