Home / 9,712.32-13,402.74-5,463.84

Finding the Fourth Proportional to 9,712.32, 13,402.74 and 5,463.84

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Solution

The fourth proportional to 9,712.32, 13,402.74 and 5,463.84 is: 7,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.32 : 13,402.74 = 5,463.84 : x
  2. Step 2: Convert to fraction form
    9,712.32/13,402.74 = 5,463.84/x
  3. Step 3: Cross multiply
    9,712.32x = 13,402.74 × 5,463.84
  4. Step 4: Simplify right side
    9,712.32x = 73,230,426.92
  5. Step 5: Solve for x
    x = 73,230,426.92/9,712.32
  6. Step 6: Final answer
    x = 7,539.95

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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.