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Finding the Fourth Proportional to 9,058.10, 12,499.99 and 5,079.13

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Solution

The fourth proportional to 9,058.10, 12,499.99 and 5,079.13 is: 7,009.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.10 : 12,499.99 = 5,079.13 : x
  2. Step 2: Convert to fraction form
    9,058.10/12,499.99 = 5,079.13/x
  3. Step 3: Cross multiply
    9,058.10x = 12,499.99 × 5,079.13
  4. Step 4: Simplify right side
    9,058.10x = 63,489,030.26
  5. Step 5: Solve for x
    x = 63,489,030.26/9,058.10
  6. Step 6: Final answer
    x = 7,009.09

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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.