Home / 9,370.08-12,930.35-5,392.47

Finding the Fourth Proportional to 9,370.08, 12,930.35 and 5,392.47

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Solution

The fourth proportional to 9,370.08, 12,930.35 and 5,392.47 is: 7,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.08 : 12,930.35 = 5,392.47 : x
  2. Step 2: Convert to fraction form
    9,370.08/12,930.35 = 5,392.47/x
  3. Step 3: Cross multiply
    9,370.08x = 12,930.35 × 5,392.47
  4. Step 4: Simplify right side
    9,370.08x = 69,726,524.46
  5. Step 5: Solve for x
    x = 69,726,524.46/9,370.08
  6. Step 6: Final answer
    x = 7,441.40

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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.