Home / 7,443.61-11,165.40-5,801.39

Finding the Fourth Proportional to 7,443.61, 11,165.40 and 5,801.39

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Solution

The fourth proportional to 7,443.61, 11,165.40 and 5,801.39 is: 8,702.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.61 : 11,165.40 = 5,801.39 : x
  2. Step 2: Convert to fraction form
    7,443.61/11,165.40 = 5,801.39/x
  3. Step 3: Cross multiply
    7,443.61x = 11,165.40 × 5,801.39
  4. Step 4: Simplify right side
    7,443.61x = 64,774,839.91
  5. Step 5: Solve for x
    x = 64,774,839.91/7,443.61
  6. Step 6: Final answer
    x = 8,702.07

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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.