Home / 9,781.02-14,666.67-3,206.45

Finding the Fourth Proportional to 9,781.02, 14,666.67 and 3,206.45

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Solution

The fourth proportional to 9,781.02, 14,666.67 and 3,206.45 is: 4,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.02 : 14,666.67 = 3,206.45 : x
  2. Step 2: Convert to fraction form
    9,781.02/14,666.67 = 3,206.45/x
  3. Step 3: Cross multiply
    9,781.02x = 14,666.67 × 3,206.45
  4. Step 4: Simplify right side
    9,781.02x = 47,027,980.69
  5. Step 5: Solve for x
    x = 47,027,980.69/9,781.02
  6. Step 6: Final answer
    x = 4,808.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.