Home / 8,980.12-12,392.26-5,001.01

Finding the Fourth Proportional to 8,980.12, 12,392.26 and 5,001.01

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Solution

The fourth proportional to 8,980.12, 12,392.26 and 5,001.01 is: 6,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.12 : 12,392.26 = 5,001.01 : x
  2. Step 2: Convert to fraction form
    8,980.12/12,392.26 = 5,001.01/x
  3. Step 3: Cross multiply
    8,980.12x = 12,392.26 × 5,001.01
  4. Step 4: Simplify right side
    8,980.12x = 61,973,816.18
  5. Step 5: Solve for x
    x = 61,973,816.18/8,980.12
  6. Step 6: Final answer
    x = 6,901.22

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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.