Home / 7,482.70-11,225.40-3,100.60

Finding the Fourth Proportional to 7,482.70, 11,225.40 and 3,100.60

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Solution

The fourth proportional to 7,482.70, 11,225.40 and 3,100.60 is: 4,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.70 : 11,225.40 = 3,100.60 : x
  2. Step 2: Convert to fraction form
    7,482.70/11,225.40 = 3,100.60/x
  3. Step 3: Cross multiply
    7,482.70x = 11,225.40 × 3,100.60
  4. Step 4: Simplify right side
    7,482.70x = 34,805,475.24
  5. Step 5: Solve for x
    x = 34,805,475.24/7,482.70
  6. Step 6: Final answer
    x = 4,651.46

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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.