Home / 8,548.74-12,831.21-4,655.88

Finding the Fourth Proportional to 8,548.74, 12,831.21 and 4,655.88

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Solution

The fourth proportional to 8,548.74, 12,831.21 and 4,655.88 is: 6,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.74 : 12,831.21 = 4,655.88 : x
  2. Step 2: Convert to fraction form
    8,548.74/12,831.21 = 4,655.88/x
  3. Step 3: Cross multiply
    8,548.74x = 12,831.21 × 4,655.88
  4. Step 4: Simplify right side
    8,548.74x = 59,740,574.01
  5. Step 5: Solve for x
    x = 59,740,574.01/8,548.74
  6. Step 6: Final answer
    x = 6,988.23

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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.