Home / 7,686.48-10,607.38-4,329.35

Finding the Fourth Proportional to 7,686.48, 10,607.38 and 4,329.35

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Solution

The fourth proportional to 7,686.48, 10,607.38 and 4,329.35 is: 5,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.48 : 10,607.38 = 4,329.35 : x
  2. Step 2: Convert to fraction form
    7,686.48/10,607.38 = 4,329.35/x
  3. Step 3: Cross multiply
    7,686.48x = 10,607.38 × 4,329.35
  4. Step 4: Simplify right side
    7,686.48x = 45,923,036.52
  5. Step 5: Solve for x
    x = 45,923,036.52/7,686.48
  6. Step 6: Final answer
    x = 5,974.52

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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.