Home / 8,989.35-13,485.51-4,058.88

Finding the Fourth Proportional to 8,989.35, 13,485.51 and 4,058.88

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Solution

The fourth proportional to 8,989.35, 13,485.51 and 4,058.88 is: 6,088.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.35 : 13,485.51 = 4,058.88 : x
  2. Step 2: Convert to fraction form
    8,989.35/13,485.51 = 4,058.88/x
  3. Step 3: Cross multiply
    8,989.35x = 13,485.51 × 4,058.88
  4. Step 4: Simplify right side
    8,989.35x = 54,736,066.83
  5. Step 5: Solve for x
    x = 54,736,066.83/8,989.35
  6. Step 6: Final answer
    x = 6,088.99

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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.