Home / 8,158.88-11,259.75-4,574.13

Finding the Fourth Proportional to 8,158.88, 11,259.75 and 4,574.13

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Solution

The fourth proportional to 8,158.88, 11,259.75 and 4,574.13 is: 6,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.88 : 11,259.75 = 4,574.13 : x
  2. Step 2: Convert to fraction form
    8,158.88/11,259.75 = 4,574.13/x
  3. Step 3: Cross multiply
    8,158.88x = 11,259.75 × 4,574.13
  4. Step 4: Simplify right side
    8,158.88x = 51,503,582.20
  5. Step 5: Solve for x
    x = 51,503,582.20/8,158.88
  6. Step 6: Final answer
    x = 6,312.58

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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.