Home / 9,135.52-12,607.04-4,943.80

Finding the Fourth Proportional to 9,135.52, 12,607.04 and 4,943.80

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Solution

The fourth proportional to 9,135.52, 12,607.04 and 4,943.80 is: 6,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.52 : 12,607.04 = 4,943.80 : x
  2. Step 2: Convert to fraction form
    9,135.52/12,607.04 = 4,943.80/x
  3. Step 3: Cross multiply
    9,135.52x = 12,607.04 × 4,943.80
  4. Step 4: Simplify right side
    9,135.52x = 62,326,684.35
  5. Step 5: Solve for x
    x = 62,326,684.35/9,135.52
  6. Step 6: Final answer
    x = 6,822.46

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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.