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Finding the Fourth Proportional to 9,341.95, 12,886.27 and 7,349.35

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Solution

The fourth proportional to 9,341.95, 12,886.27 and 7,349.35 is: 10,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341.95 : 12,886.27 = 7,349.35 : x
  2. Step 2: Convert to fraction form
    9,341.95/12,886.27 = 7,349.35/x
  3. Step 3: Cross multiply
    9,341.95x = 12,886.27 × 7,349.35
  4. Step 4: Simplify right side
    9,341.95x = 94,705,708.42
  5. Step 5: Solve for x
    x = 94,705,708.42/9,341.95
  6. Step 6: Final answer
    x = 10,137.68

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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.