Home / 11,937.20-16,476.52-7,458.16

Finding the Fourth Proportional to 11,937.20, 16,476.52 and 7,458.16

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Solution

The fourth proportional to 11,937.20, 16,476.52 and 7,458.16 is: 10,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.20 : 16,476.52 = 7,458.16 : x
  2. Step 2: Convert to fraction form
    11,937.20/16,476.52 = 7,458.16/x
  3. Step 3: Cross multiply
    11,937.20x = 16,476.52 × 7,458.16
  4. Step 4: Simplify right side
    11,937.20x = 122,884,522.40
  5. Step 5: Solve for x
    x = 122,884,522.40/11,937.20
  6. Step 6: Final answer
    x = 10,294.25

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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.