Home / 10,774.44-14,865.66-6,465.78

Finding the Fourth Proportional to 10,774.44, 14,865.66 and 6,465.78

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Solution

The fourth proportional to 10,774.44, 14,865.66 and 6,465.78 is: 8,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,774.44 : 14,865.66 = 6,465.78 : x
  2. Step 2: Convert to fraction form
    10,774.44/14,865.66 = 6,465.78/x
  3. Step 3: Cross multiply
    10,774.44x = 14,865.66 × 6,465.78
  4. Step 4: Simplify right side
    10,774.44x = 96,118,087.11
  5. Step 5: Solve for x
    x = 96,118,087.11/10,774.44
  6. Step 6: Final answer
    x = 8,920.94

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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.