Home / 7,214.11-9,955.65-4,070.50

Finding the Fourth Proportional to 7,214.11, 9,955.65 and 4,070.50

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Solution

The fourth proportional to 7,214.11, 9,955.65 and 4,070.50 is: 5,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.11 : 9,955.65 = 4,070.50 : x
  2. Step 2: Convert to fraction form
    7,214.11/9,955.65 = 4,070.50/x
  3. Step 3: Cross multiply
    7,214.11x = 9,955.65 × 4,070.50
  4. Step 4: Simplify right side
    7,214.11x = 40,524,473.33
  5. Step 5: Solve for x
    x = 40,524,473.33/7,214.11
  6. Step 6: Final answer
    x = 5,617.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.