Home / 9,887.19-13,644.32-5,410.94

Finding the Fourth Proportional to 9,887.19, 13,644.32 and 5,410.94

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Solution

The fourth proportional to 9,887.19, 13,644.32 and 5,410.94 is: 7,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.19 : 13,644.32 = 5,410.94 : x
  2. Step 2: Convert to fraction form
    9,887.19/13,644.32 = 5,410.94/x
  3. Step 3: Cross multiply
    9,887.19x = 13,644.32 × 5,410.94
  4. Step 4: Simplify right side
    9,887.19x = 73,828,596.86
  5. Step 5: Solve for x
    x = 73,828,596.86/9,887.19
  6. Step 6: Final answer
    x = 7,467.10

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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.