Home / 10,415.28-14,373.54-6,433.32

Finding the Fourth Proportional to 10,415.28, 14,373.54 and 6,433.32

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Solution

The fourth proportional to 10,415.28, 14,373.54 and 6,433.32 is: 8,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.28 : 14,373.54 = 6,433.32 : x
  2. Step 2: Convert to fraction form
    10,415.28/14,373.54 = 6,433.32/x
  3. Step 3: Cross multiply
    10,415.28x = 14,373.54 × 6,433.32
  4. Step 4: Simplify right side
    10,415.28x = 92,469,582.35
  5. Step 5: Solve for x
    x = 92,469,582.35/10,415.28
  6. Step 6: Final answer
    x = 8,878.26

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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.