Home / 10,339.08-14,272.88-6,363.60

Finding the Fourth Proportional to 10,339.08, 14,272.88 and 6,363.60

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Solution

The fourth proportional to 10,339.08, 14,272.88 and 6,363.60 is: 8,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.08 : 14,272.88 = 6,363.60 : x
  2. Step 2: Convert to fraction form
    10,339.08/14,272.88 = 6,363.60/x
  3. Step 3: Cross multiply
    10,339.08x = 14,272.88 × 6,363.60
  4. Step 4: Simplify right side
    10,339.08x = 90,826,899.17
  5. Step 5: Solve for x
    x = 90,826,899.17/10,339.08
  6. Step 6: Final answer
    x = 8,784.81

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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.