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Finding the Fourth Proportional to 9,126.94, 12,595.16 and 4,935.20

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Solution

The fourth proportional to 9,126.94, 12,595.16 and 4,935.20 is: 6,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.94 : 12,595.16 = 4,935.20 : x
  2. Step 2: Convert to fraction form
    9,126.94/12,595.16 = 4,935.20/x
  3. Step 3: Cross multiply
    9,126.94x = 12,595.16 × 4,935.20
  4. Step 4: Simplify right side
    9,126.94x = 62,159,633.63
  5. Step 5: Solve for x
    x = 62,159,633.63/9,126.94
  6. Step 6: Final answer
    x = 6,810.57

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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.