Home / 8,326.34-11,490.38-4,549.59

Finding the Fourth Proportional to 8,326.34, 11,490.38 and 4,549.59

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Solution

The fourth proportional to 8,326.34, 11,490.38 and 4,549.59 is: 6,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.34 : 11,490.38 = 4,549.59 : x
  2. Step 2: Convert to fraction form
    8,326.34/11,490.38 = 4,549.59/x
  3. Step 3: Cross multiply
    8,326.34x = 11,490.38 × 4,549.59
  4. Step 4: Simplify right side
    8,326.34x = 52,276,499.24
  5. Step 5: Solve for x
    x = 52,276,499.24/8,326.34
  6. Step 6: Final answer
    x = 6,278.45

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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.