Home / 10,221.60-15,346.80-6,333.60

Finding the Fourth Proportional to 10,221.60, 15,346.80 and 6,333.60

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Solution

The fourth proportional to 10,221.60, 15,346.80 and 6,333.60 is: 9,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.60 : 15,346.80 = 6,333.60 : x
  2. Step 2: Convert to fraction form
    10,221.60/15,346.80 = 6,333.60/x
  3. Step 3: Cross multiply
    10,221.60x = 15,346.80 × 6,333.60
  4. Step 4: Simplify right side
    10,221.60x = 97,200,492.48
  5. Step 5: Solve for x
    x = 97,200,492.48/10,221.60
  6. Step 6: Final answer
    x = 9,509.32

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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.