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Finding the Fourth Proportional to 9,373.95, 12,935.97 and 5,341.28

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Solution

The fourth proportional to 9,373.95, 12,935.97 and 5,341.28 is: 7,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.95 : 12,935.97 = 5,341.28 : x
  2. Step 2: Convert to fraction form
    9,373.95/12,935.97 = 5,341.28/x
  3. Step 3: Cross multiply
    9,373.95x = 12,935.97 × 5,341.28
  4. Step 4: Simplify right side
    9,373.95x = 69,094,573.16
  5. Step 5: Solve for x
    x = 69,094,573.16/9,373.95
  6. Step 6: Final answer
    x = 7,370.91

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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.