Home / 7,485.18-11,182.29-5,359.95

Finding the Fourth Proportional to 7,485.18, 11,182.29 and 5,359.95

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Solution

The fourth proportional to 7,485.18, 11,182.29 and 5,359.95 is: 8,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.18 : 11,182.29 = 5,359.95 : x
  2. Step 2: Convert to fraction form
    7,485.18/11,182.29 = 5,359.95/x
  3. Step 3: Cross multiply
    7,485.18x = 11,182.29 × 5,359.95
  4. Step 4: Simplify right side
    7,485.18x = 59,936,515.29
  5. Step 5: Solve for x
    x = 59,936,515.29/7,485.18
  6. Step 6: Final answer
    x = 8,007.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.