Home / 11,519.71-15,897.16-6,483.93

Finding the Fourth Proportional to 11,519.71, 15,897.16 and 6,483.93

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Solution

The fourth proportional to 11,519.71, 15,897.16 and 6,483.93 is: 8,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.71 : 15,897.16 = 6,483.93 : x
  2. Step 2: Convert to fraction form
    11,519.71/15,897.16 = 6,483.93/x
  3. Step 3: Cross multiply
    11,519.71x = 15,897.16 × 6,483.93
  4. Step 4: Simplify right side
    11,519.71x = 103,076,043.48
  5. Step 5: Solve for x
    x = 103,076,043.48/11,519.71
  6. Step 6: Final answer
    x = 8,947.80

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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.