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Finding the Fourth Proportional to 9,840.37, 14,697.84 and 8,901.87

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Solution

The fourth proportional to 9,840.37, 14,697.84 and 8,901.87 is: 13,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.37 : 14,697.84 = 8,901.87 : x
  2. Step 2: Convert to fraction form
    9,840.37/14,697.84 = 8,901.87/x
  3. Step 3: Cross multiply
    9,840.37x = 14,697.84 × 8,901.87
  4. Step 4: Simplify right side
    9,840.37x = 130,838,216.45
  5. Step 5: Solve for x
    x = 130,838,216.45/9,840.37
  6. Step 6: Final answer
    x = 13,296.07

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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.