Home / 10,371.36-14,313.58-6,340.55

Finding the Fourth Proportional to 10,371.36, 14,313.58 and 6,340.55

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Solution

The fourth proportional to 10,371.36, 14,313.58 and 6,340.55 is: 8,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.36 : 14,313.58 = 6,340.55 : x
  2. Step 2: Convert to fraction form
    10,371.36/14,313.58 = 6,340.55/x
  3. Step 3: Cross multiply
    10,371.36x = 14,313.58 × 6,340.55
  4. Step 4: Simplify right side
    10,371.36x = 90,755,985.01
  5. Step 5: Solve for x
    x = 90,755,985.01/10,371.36
  6. Step 6: Final answer
    x = 8,750.63

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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.