Home / 11,138.96-15,392.04-10,599.12

Finding the Fourth Proportional to 11,138.96, 15,392.04 and 10,599.12

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Solution

The fourth proportional to 11,138.96, 15,392.04 and 10,599.12 is: 14,646.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.96 : 15,392.04 = 10,599.12 : x
  2. Step 2: Convert to fraction form
    11,138.96/15,392.04 = 10,599.12/x
  3. Step 3: Cross multiply
    11,138.96x = 15,392.04 × 10,599.12
  4. Step 4: Simplify right side
    11,138.96x = 163,142,079.00
  5. Step 5: Solve for x
    x = 163,142,079.00/11,138.96
  6. Step 6: Final answer
    x = 14,646.08

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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.