Home / 9,362.13-12,920.49-5,586.45

Finding the Fourth Proportional to 9,362.13, 12,920.49 and 5,586.45

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Solution

The fourth proportional to 9,362.13, 12,920.49 and 5,586.45 is: 7,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.13 : 12,920.49 = 5,586.45 : x
  2. Step 2: Convert to fraction form
    9,362.13/12,920.49 = 5,586.45/x
  3. Step 3: Cross multiply
    9,362.13x = 12,920.49 × 5,586.45
  4. Step 4: Simplify right side
    9,362.13x = 72,179,671.36
  5. Step 5: Solve for x
    x = 72,179,671.36/9,362.13
  6. Step 6: Final answer
    x = 7,709.75

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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.