Home / 10,845.20-14,966.16-6,368.60

Finding the Fourth Proportional to 10,845.20, 14,966.16 and 6,368.60

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Solution

The fourth proportional to 10,845.20, 14,966.16 and 6,368.60 is: 8,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.20 : 14,966.16 = 6,368.60 : x
  2. Step 2: Convert to fraction form
    10,845.20/14,966.16 = 6,368.60/x
  3. Step 3: Cross multiply
    10,845.20x = 14,966.16 × 6,368.60
  4. Step 4: Simplify right side
    10,845.20x = 95,313,486.58
  5. Step 5: Solve for x
    x = 95,313,486.58/10,845.20
  6. Step 6: Final answer
    x = 8,788.54

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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.