Home / 10,529.04-14,520.36-9,691.56

Finding the Fourth Proportional to 10,529.04, 14,520.36 and 9,691.56

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Solution

The fourth proportional to 10,529.04, 14,520.36 and 9,691.56 is: 13,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.04 : 14,520.36 = 9,691.56 : x
  2. Step 2: Convert to fraction form
    10,529.04/14,520.36 = 9,691.56/x
  3. Step 3: Cross multiply
    10,529.04x = 14,520.36 × 9,691.56
  4. Step 4: Simplify right side
    10,529.04x = 140,724,940.16
  5. Step 5: Solve for x
    x = 140,724,940.16/10,529.04
  6. Step 6: Final answer
    x = 13,365.41

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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.