Home / 11,784.18-16,255.44-10,127.46

Finding the Fourth Proportional to 11,784.18, 16,255.44 and 10,127.46

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Solution

The fourth proportional to 11,784.18, 16,255.44 and 10,127.46 is: 13,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.18 : 16,255.44 = 10,127.46 : x
  2. Step 2: Convert to fraction form
    11,784.18/16,255.44 = 10,127.46/x
  3. Step 3: Cross multiply
    11,784.18x = 16,255.44 × 10,127.46
  4. Step 4: Simplify right side
    11,784.18x = 164,626,318.38
  5. Step 5: Solve for x
    x = 164,626,318.38/11,784.18
  6. Step 6: Final answer
    x = 13,970.11

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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.