Home / 8,304.02-11,459.09-5,160.18

Finding the Fourth Proportional to 8,304.02, 11,459.09 and 5,160.18

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Solution

The fourth proportional to 8,304.02, 11,459.09 and 5,160.18 is: 7,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.02 : 11,459.09 = 5,160.18 : x
  2. Step 2: Convert to fraction form
    8,304.02/11,459.09 = 5,160.18/x
  3. Step 3: Cross multiply
    8,304.02x = 11,459.09 × 5,160.18
  4. Step 4: Simplify right side
    8,304.02x = 59,130,967.04
  5. Step 5: Solve for x
    x = 59,130,967.04/8,304.02
  6. Step 6: Final answer
    x = 7,120.76

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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.