Home / 12,470.02-18,708.27-4,681.06

Finding the Fourth Proportional to 12,470.02, 18,708.27 and 4,681.06

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Solution

The fourth proportional to 12,470.02, 18,708.27 and 4,681.06 is: 7,022.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.02 : 18,708.27 = 4,681.06 : x
  2. Step 2: Convert to fraction form
    12,470.02/18,708.27 = 4,681.06/x
  3. Step 3: Cross multiply
    12,470.02x = 18,708.27 × 4,681.06
  4. Step 4: Simplify right side
    12,470.02x = 87,574,534.37
  5. Step 5: Solve for x
    x = 87,574,534.37/12,470.02
  6. Step 6: Final answer
    x = 7,022.81

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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.