Home / 11,875.19-17,806.20-4,860.13

Finding the Fourth Proportional to 11,875.19, 17,806.20 and 4,860.13

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Solution

The fourth proportional to 11,875.19, 17,806.20 and 4,860.13 is: 7,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.19 : 17,806.20 = 4,860.13 : x
  2. Step 2: Convert to fraction form
    11,875.19/17,806.20 = 4,860.13/x
  3. Step 3: Cross multiply
    11,875.19x = 17,806.20 × 4,860.13
  4. Step 4: Simplify right side
    11,875.19x = 86,540,446.81
  5. Step 5: Solve for x
    x = 86,540,446.81/11,875.19
  6. Step 6: Final answer
    x = 7,287.50

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1.5x scale

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.