Home / 7,903.46-11,853.84-2,637.74

Finding the Fourth Proportional to 7,903.46, 11,853.84 and 2,637.74

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Solution

The fourth proportional to 7,903.46, 11,853.84 and 2,637.74 is: 3,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.46 : 11,853.84 = 2,637.74 : x
  2. Step 2: Convert to fraction form
    7,903.46/11,853.84 = 2,637.74/x
  3. Step 3: Cross multiply
    7,903.46x = 11,853.84 × 2,637.74
  4. Step 4: Simplify right side
    7,903.46x = 31,267,347.92
  5. Step 5: Solve for x
    x = 31,267,347.92/7,903.46
  6. Step 6: Final answer
    x = 3,956.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.