Home / 10,303.28-14,218.77-6,268.72

Finding the Fourth Proportional to 10,303.28, 14,218.77 and 6,268.72

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Solution

The fourth proportional to 10,303.28, 14,218.77 and 6,268.72 is: 8,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.28 : 14,218.77 = 6,268.72 : x
  2. Step 2: Convert to fraction form
    10,303.28/14,218.77 = 6,268.72/x
  3. Step 3: Cross multiply
    10,303.28x = 14,218.77 × 6,268.72
  4. Step 4: Simplify right side
    10,303.28x = 89,133,487.87
  5. Step 5: Solve for x
    x = 89,133,487.87/10,303.28
  6. Step 6: Final answer
    x = 8,650.98

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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.