Home / 10,161.60-14,015.48-7,174.32

Finding the Fourth Proportional to 10,161.60, 14,015.48 and 7,174.32

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Solution

The fourth proportional to 10,161.60, 14,015.48 and 7,174.32 is: 9,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.60 : 14,015.48 = 7,174.32 : x
  2. Step 2: Convert to fraction form
    10,161.60/14,015.48 = 7,174.32/x
  3. Step 3: Cross multiply
    10,161.60x = 14,015.48 × 7,174.32
  4. Step 4: Simplify right side
    10,161.60x = 100,551,502.60
  5. Step 5: Solve for x
    x = 100,551,502.60/10,161.60
  6. Step 6: Final answer
    x = 9,895.24

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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.