Home / 7,043.20-10,564.80-6,265.60

Finding the Fourth Proportional to 7,043.20, 10,564.80 and 6,265.60

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Solution

The fourth proportional to 7,043.20, 10,564.80 and 6,265.60 is: 9,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.20 : 10,564.80 = 6,265.60 : x
  2. Step 2: Convert to fraction form
    7,043.20/10,564.80 = 6,265.60/x
  3. Step 3: Cross multiply
    7,043.20x = 10,564.80 × 6,265.60
  4. Step 4: Simplify right side
    7,043.20x = 66,194,810.88
  5. Step 5: Solve for x
    x = 66,194,810.88/7,043.20
  6. Step 6: Final answer
    x = 9,398.40

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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.