Home / 7,347.20-11,020.80-5,597.60

Finding the Fourth Proportional to 7,347.20, 11,020.80 and 5,597.60

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Solution

The fourth proportional to 7,347.20, 11,020.80 and 5,597.60 is: 8,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.20 : 11,020.80 = 5,597.60 : x
  2. Step 2: Convert to fraction form
    7,347.20/11,020.80 = 5,597.60/x
  3. Step 3: Cross multiply
    7,347.20x = 11,020.80 × 5,597.60
  4. Step 4: Simplify right side
    7,347.20x = 61,690,030.08
  5. Step 5: Solve for x
    x = 61,690,030.08/7,347.20
  6. Step 6: Final answer
    x = 8,396.40

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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.