Home / 10,261.08-14,155.66-6,280.60

Finding the Fourth Proportional to 10,261.08, 14,155.66 and 6,280.60

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Solution

The fourth proportional to 10,261.08, 14,155.66 and 6,280.60 is: 8,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.08 : 14,155.66 = 6,280.60 : x
  2. Step 2: Convert to fraction form
    10,261.08/14,155.66 = 6,280.60/x
  3. Step 3: Cross multiply
    10,261.08x = 14,155.66 × 6,280.60
  4. Step 4: Simplify right side
    10,261.08x = 88,906,038.20
  5. Step 5: Solve for x
    x = 88,906,038.20/10,261.08
  6. Step 6: Final answer
    x = 8,664.39

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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.