Home / 11,970.02-16,519.56-6,666.50

Finding the Fourth Proportional to 11,970.02, 16,519.56 and 6,666.50

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Solution

The fourth proportional to 11,970.02, 16,519.56 and 6,666.50 is: 9,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.02 : 16,519.56 = 6,666.50 : x
  2. Step 2: Convert to fraction form
    11,970.02/16,519.56 = 6,666.50/x
  3. Step 3: Cross multiply
    11,970.02x = 16,519.56 × 6,666.50
  4. Step 4: Simplify right side
    11,970.02x = 110,127,646.74
  5. Step 5: Solve for x
    x = 110,127,646.74/11,970.02
  6. Step 6: Final answer
    x = 9,200.29

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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.