Home / 7,503.10-11,266.80-4,222.60

Finding the Fourth Proportional to 7,503.10, 11,266.80 and 4,222.60

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Solution

The fourth proportional to 7,503.10, 11,266.80 and 4,222.60 is: 6,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.10 : 11,266.80 = 4,222.60 : x
  2. Step 2: Convert to fraction form
    7,503.10/11,266.80 = 4,222.60/x
  3. Step 3: Cross multiply
    7,503.10x = 11,266.80 × 4,222.60
  4. Step 4: Simplify right side
    7,503.10x = 47,575,189.68
  5. Step 5: Solve for x
    x = 47,575,189.68/7,503.10
  6. Step 6: Final answer
    x = 6,340.74

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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.