Home / 7,370.80-11,056.20-7,030.60

Finding the Fourth Proportional to 7,370.80, 11,056.20 and 7,030.60

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Solution

The fourth proportional to 7,370.80, 11,056.20 and 7,030.60 is: 10,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.80 : 11,056.20 = 7,030.60 : x
  2. Step 2: Convert to fraction form
    7,370.80/11,056.20 = 7,030.60/x
  3. Step 3: Cross multiply
    7,370.80x = 11,056.20 × 7,030.60
  4. Step 4: Simplify right side
    7,370.80x = 77,731,719.72
  5. Step 5: Solve for x
    x = 77,731,719.72/7,370.80
  6. Step 6: Final answer
    x = 10,545.90

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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.