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Finding the Fourth Proportional to 9,126.88, 12,595.06 and 4,935.13

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Solution

The fourth proportional to 9,126.88, 12,595.06 and 4,935.13 is: 6,810.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.88 : 12,595.06 = 4,935.13 : x
  2. Step 2: Convert to fraction form
    9,126.88/12,595.06 = 4,935.13/x
  3. Step 3: Cross multiply
    9,126.88x = 12,595.06 × 4,935.13
  4. Step 4: Simplify right side
    9,126.88x = 62,158,258.46
  5. Step 5: Solve for x
    x = 62,158,258.46/9,126.88
  6. Step 6: Final answer
    x = 6,810.46

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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.