Home / 11,967.42-16,522.12-10,637.28

Finding the Fourth Proportional to 11,967.42, 16,522.12 and 10,637.28

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Solution

The fourth proportional to 11,967.42, 16,522.12 and 10,637.28 is: 14,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.42 : 16,522.12 = 10,637.28 : x
  2. Step 2: Convert to fraction form
    11,967.42/16,522.12 = 10,637.28/x
  3. Step 3: Cross multiply
    11,967.42x = 16,522.12 × 10,637.28
  4. Step 4: Simplify right side
    11,967.42x = 175,750,416.63
  5. Step 5: Solve for x
    x = 175,750,416.63/11,967.42
  6. Step 6: Final answer
    x = 14,685.74

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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.