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Finding the Fourth Proportional to 9,058.16, 13,571.28 and 7,935.10

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Solution

The fourth proportional to 9,058.16, 13,571.28 and 7,935.10 is: 11,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.16 : 13,571.28 = 7,935.10 : x
  2. Step 2: Convert to fraction form
    9,058.16/13,571.28 = 7,935.10/x
  3. Step 3: Cross multiply
    9,058.16x = 13,571.28 × 7,935.10
  4. Step 4: Simplify right side
    9,058.16x = 107,689,430.00
  5. Step 5: Solve for x
    x = 107,689,430.00/9,058.16
  6. Step 6: Final answer
    x = 11,888.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.