Home / 7,364.60-11,030.70-6,543.80

Finding the Fourth Proportional to 7,364.60, 11,030.70 and 6,543.80

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Solution

The fourth proportional to 7,364.60, 11,030.70 and 6,543.80 is: 9,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.60 : 11,030.70 = 6,543.80 : x
  2. Step 2: Convert to fraction form
    7,364.60/11,030.70 = 6,543.80/x
  3. Step 3: Cross multiply
    7,364.60x = 11,030.70 × 6,543.80
  4. Step 4: Simplify right side
    7,364.60x = 72,182,694.66
  5. Step 5: Solve for x
    x = 72,182,694.66/7,364.60
  6. Step 6: Final answer
    x = 9,801.31

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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.