Home / 8,574.02-12,850.75-4,415.99

Finding the Fourth Proportional to 8,574.02, 12,850.75 and 4,415.99

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Solution

The fourth proportional to 8,574.02, 12,850.75 and 4,415.99 is: 6,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.02 : 12,850.75 = 4,415.99 : x
  2. Step 2: Convert to fraction form
    8,574.02/12,850.75 = 4,415.99/x
  3. Step 3: Cross multiply
    8,574.02x = 12,850.75 × 4,415.99
  4. Step 4: Simplify right side
    8,574.02x = 56,748,783.49
  5. Step 5: Solve for x
    x = 56,748,783.49/8,574.02
  6. Step 6: Final answer
    x = 6,618.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.