Home / 7,483.60-11,225.40-6,331.60

Finding the Fourth Proportional to 7,483.60, 11,225.40 and 6,331.60

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Solution

The fourth proportional to 7,483.60, 11,225.40 and 6,331.60 is: 9,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.60 : 11,225.40 = 6,331.60 : x
  2. Step 2: Convert to fraction form
    7,483.60/11,225.40 = 6,331.60/x
  3. Step 3: Cross multiply
    7,483.60x = 11,225.40 × 6,331.60
  4. Step 4: Simplify right side
    7,483.60x = 71,074,742.64
  5. Step 5: Solve for x
    x = 71,074,742.64/7,483.60
  6. Step 6: Final answer
    x = 9,497.40

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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.