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Finding the Fourth Proportional to 9,038.05, 12,471.93 and 5,058.49

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Solution

The fourth proportional to 9,038.05, 12,471.93 and 5,058.49 is: 6,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.05 : 12,471.93 = 5,058.49 : x
  2. Step 2: Convert to fraction form
    9,038.05/12,471.93 = 5,058.49/x
  3. Step 3: Cross multiply
    9,038.05x = 12,471.93 × 5,058.49
  4. Step 4: Simplify right side
    9,038.05x = 63,089,133.19
  5. Step 5: Solve for x
    x = 63,089,133.19/9,038.05
  6. Step 6: Final answer
    x = 6,980.39

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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.