Home / 12,587.84-18,885.27-4,797.26

Finding the Fourth Proportional to 12,587.84, 18,885.27 and 4,797.26

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Solution

The fourth proportional to 12,587.84, 18,885.27 and 4,797.26 is: 7,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.84 : 18,885.27 = 4,797.26 : x
  2. Step 2: Convert to fraction form
    12,587.84/18,885.27 = 4,797.26/x
  3. Step 3: Cross multiply
    12,587.84x = 18,885.27 × 4,797.26
  4. Step 4: Simplify right side
    12,587.84x = 90,597,550.36
  5. Step 5: Solve for x
    x = 90,597,550.36/12,587.84
  6. Step 6: Final answer
    x = 7,197.23

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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.