Home / 7,454.48-10,288.15-4,809.58

Finding the Fourth Proportional to 7,454.48, 10,288.15 and 4,809.58

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Solution

The fourth proportional to 7,454.48, 10,288.15 and 4,809.58 is: 6,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.48 : 10,288.15 = 4,809.58 : x
  2. Step 2: Convert to fraction form
    7,454.48/10,288.15 = 4,809.58/x
  3. Step 3: Cross multiply
    7,454.48x = 10,288.15 × 4,809.58
  4. Step 4: Simplify right side
    7,454.48x = 49,481,642.73
  5. Step 5: Solve for x
    x = 49,481,642.73/7,454.48
  6. Step 6: Final answer
    x = 6,637.84

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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.