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Finding the Fourth Proportional to 8,346.95, 12,569.93 and 7,264.38

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Solution

The fourth proportional to 8,346.95, 12,569.93 and 7,264.38 is: 10,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.95 : 12,569.93 = 7,264.38 : x
  2. Step 2: Convert to fraction form
    8,346.95/12,569.93 = 7,264.38/x
  3. Step 3: Cross multiply
    8,346.95x = 12,569.93 × 7,264.38
  4. Step 4: Simplify right side
    8,346.95x = 91,312,748.09
  5. Step 5: Solve for x
    x = 91,312,748.09/8,346.95
  6. Step 6: Final answer
    x = 10,939.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.