Home / 9,188.04-12,679.27-5,360.41

Finding the Fourth Proportional to 9,188.04, 12,679.27 and 5,360.41

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Solution

The fourth proportional to 9,188.04, 12,679.27 and 5,360.41 is: 7,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.04 : 12,679.27 = 5,360.41 : x
  2. Step 2: Convert to fraction form
    9,188.04/12,679.27 = 5,360.41/x
  3. Step 3: Cross multiply
    9,188.04x = 12,679.27 × 5,360.41
  4. Step 4: Simplify right side
    9,188.04x = 67,966,040.60
  5. Step 5: Solve for x
    x = 67,966,040.60/9,188.04
  6. Step 6: Final answer
    x = 7,397.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.