Home / 7,347.11-10,996.29-6,690.50

Finding the Fourth Proportional to 7,347.11, 10,996.29 and 6,690.50

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Solution

The fourth proportional to 7,347.11, 10,996.29 and 6,690.50 is: 10,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.11 : 10,996.29 = 6,690.50 : x
  2. Step 2: Convert to fraction form
    7,347.11/10,996.29 = 6,690.50/x
  3. Step 3: Cross multiply
    7,347.11x = 10,996.29 × 6,690.50
  4. Step 4: Simplify right side
    7,347.11x = 73,570,643.88
  5. Step 5: Solve for x
    x = 73,570,643.88/7,347.11
  6. Step 6: Final answer
    x = 10,013.55

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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.