Home / 10,864.58-14,995.40-6,617.03

Finding the Fourth Proportional to 10,864.58, 14,995.40 and 6,617.03

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Solution

The fourth proportional to 10,864.58, 14,995.40 and 6,617.03 is: 9,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.58 : 14,995.40 = 6,617.03 : x
  2. Step 2: Convert to fraction form
    10,864.58/14,995.40 = 6,617.03/x
  3. Step 3: Cross multiply
    10,864.58x = 14,995.40 × 6,617.03
  4. Step 4: Simplify right side
    10,864.58x = 99,224,903.60
  5. Step 5: Solve for x
    x = 99,224,903.60/10,864.58
  6. Step 6: Final answer
    x = 9,132.88

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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.