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Finding the Fourth Proportional to 7,205.88, 10,807.98 and 5,359.74

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Solution

The fourth proportional to 7,205.88, 10,807.98 and 5,359.74 is: 8,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.88 : 10,807.98 = 5,359.74 : x
  2. Step 2: Convert to fraction form
    7,205.88/10,807.98 = 5,359.74/x
  3. Step 3: Cross multiply
    7,205.88x = 10,807.98 × 5,359.74
  4. Step 4: Simplify right side
    7,205.88x = 57,927,962.73
  5. Step 5: Solve for x
    x = 57,927,962.73/7,205.88
  6. Step 6: Final answer
    x = 8,038.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.