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Finding the Fourth Proportional to 9,807.55, 14,709.77 and 8,152.31

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Solution

The fourth proportional to 9,807.55, 14,709.77 and 8,152.31 is: 12,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.55 : 14,709.77 = 8,152.31 : x
  2. Step 2: Convert to fraction form
    9,807.55/14,709.77 = 8,152.31/x
  3. Step 3: Cross multiply
    9,807.55x = 14,709.77 × 8,152.31
  4. Step 4: Simplify right side
    9,807.55x = 119,918,605.07
  5. Step 5: Solve for x
    x = 119,918,605.07/9,807.55
  6. Step 6: Final answer
    x = 12,227.17

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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.