Home / 8,354.95-12,518.75-5,058.05

Finding the Fourth Proportional to 8,354.95, 12,518.75 and 5,058.05

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Solution

The fourth proportional to 8,354.95, 12,518.75 and 5,058.05 is: 7,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.95 : 12,518.75 = 5,058.05 : x
  2. Step 2: Convert to fraction form
    8,354.95/12,518.75 = 5,058.05/x
  3. Step 3: Cross multiply
    8,354.95x = 12,518.75 × 5,058.05
  4. Step 4: Simplify right side
    8,354.95x = 63,320,476.08
  5. Step 5: Solve for x
    x = 63,320,476.08/8,354.95
  6. Step 6: Final answer
    x = 7,578.80

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1.5x scale

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.