Home / 8,080.02-11,154.15-5,395.68

Finding the Fourth Proportional to 8,080.02, 11,154.15 and 5,395.68

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Solution

The fourth proportional to 8,080.02, 11,154.15 and 5,395.68 is: 7,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.02 : 11,154.15 = 5,395.68 : x
  2. Step 2: Convert to fraction form
    8,080.02/11,154.15 = 5,395.68/x
  3. Step 3: Cross multiply
    8,080.02x = 11,154.15 × 5,395.68
  4. Step 4: Simplify right side
    8,080.02x = 60,184,224.07
  5. Step 5: Solve for x
    x = 60,184,224.07/8,080.02
  6. Step 6: Final answer
    x = 7,448.52

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Double scale
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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.