Home / 10,047.20-13,859.34-6,268.55

Finding the Fourth Proportional to 10,047.20, 13,859.34 and 6,268.55

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Solution

The fourth proportional to 10,047.20, 13,859.34 and 6,268.55 is: 8,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.20 : 13,859.34 = 6,268.55 : x
  2. Step 2: Convert to fraction form
    10,047.20/13,859.34 = 6,268.55/x
  3. Step 3: Cross multiply
    10,047.20x = 13,859.34 × 6,268.55
  4. Step 4: Simplify right side
    10,047.20x = 86,877,896.46
  5. Step 5: Solve for x
    x = 86,877,896.46/10,047.20
  6. Step 6: Final answer
    x = 8,646.98

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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.