Home / 12,038.95-16,613.43-6,734.26

Finding the Fourth Proportional to 12,038.95, 16,613.43 and 6,734.26

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Solution

The fourth proportional to 12,038.95, 16,613.43 and 6,734.26 is: 9,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.95 : 16,613.43 = 6,734.26 : x
  2. Step 2: Convert to fraction form
    12,038.95/16,613.43 = 6,734.26/x
  3. Step 3: Cross multiply
    12,038.95x = 16,613.43 × 6,734.26
  4. Step 4: Simplify right side
    12,038.95x = 111,879,078.11
  5. Step 5: Solve for x
    x = 111,879,078.11/12,038.95
  6. Step 6: Final answer
    x = 9,293.10

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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.