Home / 10,984.02-15,156.99-6,507.02

Finding the Fourth Proportional to 10,984.02, 15,156.99 and 6,507.02

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Solution

The fourth proportional to 10,984.02, 15,156.99 and 6,507.02 is: 8,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.02 : 15,156.99 = 6,507.02 : x
  2. Step 2: Convert to fraction form
    10,984.02/15,156.99 = 6,507.02/x
  3. Step 3: Cross multiply
    10,984.02x = 15,156.99 × 6,507.02
  4. Step 4: Simplify right side
    10,984.02x = 98,626,761.28
  5. Step 5: Solve for x
    x = 98,626,761.28/10,984.02
  6. Step 6: Final answer
    x = 8,979.11

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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.