Home / 9,152.48-12,630.96-6,168.80

Finding the Fourth Proportional to 9,152.48, 12,630.96 and 6,168.80

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Solution

The fourth proportional to 9,152.48, 12,630.96 and 6,168.80 is: 8,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.48 : 12,630.96 = 6,168.80 : x
  2. Step 2: Convert to fraction form
    9,152.48/12,630.96 = 6,168.80/x
  3. Step 3: Cross multiply
    9,152.48x = 12,630.96 × 6,168.80
  4. Step 4: Simplify right side
    9,152.48x = 77,917,866.05
  5. Step 5: Solve for x
    x = 77,917,866.05/9,152.48
  6. Step 6: Final answer
    x = 8,513.31

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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.