Home / 10,740.39-14,832.99-7,391.85

Finding the Fourth Proportional to 10,740.39, 14,832.99 and 7,391.85

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Solution

The fourth proportional to 10,740.39, 14,832.99 and 7,391.85 is: 10,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.39 : 14,832.99 = 7,391.85 : x
  2. Step 2: Convert to fraction form
    10,740.39/14,832.99 = 7,391.85/x
  3. Step 3: Cross multiply
    10,740.39x = 14,832.99 × 7,391.85
  4. Step 4: Simplify right side
    10,740.39x = 109,643,237.13
  5. Step 5: Solve for x
    x = 109,643,237.13/10,740.39
  6. Step 6: Final answer
    x = 10,208.50

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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.