Home / 7,424.04-11,139.84-3,528.48

Finding the Fourth Proportional to 7,424.04, 11,139.84 and 3,528.48

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Solution

The fourth proportional to 7,424.04, 11,139.84 and 3,528.48 is: 5,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.04 : 11,139.84 = 3,528.48 : x
  2. Step 2: Convert to fraction form
    7,424.04/11,139.84 = 3,528.48/x
  3. Step 3: Cross multiply
    7,424.04x = 11,139.84 × 3,528.48
  4. Step 4: Simplify right side
    7,424.04x = 39,306,702.64
  5. Step 5: Solve for x
    x = 39,306,702.64/7,424.04
  6. Step 6: Final answer
    x = 5,294.52

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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.