Home / 8,275.81-11,420.84-4,499.23

Finding the Fourth Proportional to 8,275.81, 11,420.84 and 4,499.23

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Solution

The fourth proportional to 8,275.81, 11,420.84 and 4,499.23 is: 6,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.81 : 11,420.84 = 4,499.23 : x
  2. Step 2: Convert to fraction form
    8,275.81/11,420.84 = 4,499.23/x
  3. Step 3: Cross multiply
    8,275.81x = 11,420.84 × 4,499.23
  4. Step 4: Simplify right side
    8,275.81x = 51,384,985.95
  5. Step 5: Solve for x
    x = 51,384,985.95/8,275.81
  6. Step 6: Final answer
    x = 6,209.06

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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.