Home / 7,370.12-11,059.02-4,290.44

Finding the Fourth Proportional to 7,370.12, 11,059.02 and 4,290.44

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Solution

The fourth proportional to 7,370.12, 11,059.02 and 4,290.44 is: 6,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.12 : 11,059.02 = 4,290.44 : x
  2. Step 2: Convert to fraction form
    7,370.12/11,059.02 = 4,290.44/x
  3. Step 3: Cross multiply
    7,370.12x = 11,059.02 × 4,290.44
  4. Step 4: Simplify right side
    7,370.12x = 47,448,061.77
  5. Step 5: Solve for x
    x = 47,448,061.77/7,370.12
  6. Step 6: Final answer
    x = 6,437.90

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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.