Home / 7,627.52-11,445.20-5,778.02

Finding the Fourth Proportional to 7,627.52, 11,445.20 and 5,778.02

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Solution

The fourth proportional to 7,627.52, 11,445.20 and 5,778.02 is: 8,670.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.52 : 11,445.20 = 5,778.02 : x
  2. Step 2: Convert to fraction form
    7,627.52/11,445.20 = 5,778.02/x
  3. Step 3: Cross multiply
    7,627.52x = 11,445.20 × 5,778.02
  4. Step 4: Simplify right side
    7,627.52x = 66,130,594.50
  5. Step 5: Solve for x
    x = 66,130,594.50/7,627.52
  6. Step 6: Final answer
    x = 8,670.00

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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.