Home / 11,875.07-17,806.01-4,860

Finding the Fourth Proportional to 11,875.07, 17,806.01 and 4,860

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Solution

The fourth proportional to 11,875.07, 17,806.01 and 4,860 is: 7,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.07 : 17,806.01 = 4,860 : x
  2. Step 2: Convert to fraction form
    11,875.07/17,806.01 = 4,860/x
  3. Step 3: Cross multiply
    11,875.07x = 17,806.01 × 4,860
  4. Step 4: Simplify right side
    11,875.07x = 86,537,184.30
  5. Step 5: Solve for x
    x = 86,537,184.30/11,875.07
  6. Step 6: Final answer
    x = 7,287.30

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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.