Home / 9,078.18-12,528.80-6,100.22

Finding the Fourth Proportional to 9,078.18, 12,528.80 and 6,100.22

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Solution

The fourth proportional to 9,078.18, 12,528.80 and 6,100.22 is: 8,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.18 : 12,528.80 = 6,100.22 : x
  2. Step 2: Convert to fraction form
    9,078.18/12,528.80 = 6,100.22/x
  3. Step 3: Cross multiply
    9,078.18x = 12,528.80 × 6,100.22
  4. Step 4: Simplify right side
    9,078.18x = 76,428,343.19
  5. Step 5: Solve for x
    x = 76,428,343.19/9,078.18
  6. Step 6: Final answer
    x = 8,418.91

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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.