Home / 9,332.58-12,878.55-5,353.41

Finding the Fourth Proportional to 9,332.58, 12,878.55 and 5,353.41

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Solution

The fourth proportional to 9,332.58, 12,878.55 and 5,353.41 is: 7,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.58 : 12,878.55 = 5,353.41 : x
  2. Step 2: Convert to fraction form
    9,332.58/12,878.55 = 5,353.41/x
  3. Step 3: Cross multiply
    9,332.58x = 12,878.55 × 5,353.41
  4. Step 4: Simplify right side
    9,332.58x = 68,944,158.36
  5. Step 5: Solve for x
    x = 68,944,158.36/9,332.58
  6. Step 6: Final answer
    x = 7,387.47

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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.