Home / 9,363.94-12,920.70-5,535.04

Finding the Fourth Proportional to 9,363.94, 12,920.70 and 5,535.04

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Solution

The fourth proportional to 9,363.94, 12,920.70 and 5,535.04 is: 7,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.94 : 12,920.70 = 5,535.04 : x
  2. Step 2: Convert to fraction form
    9,363.94/12,920.70 = 5,535.04/x
  3. Step 3: Cross multiply
    9,363.94x = 12,920.70 × 5,535.04
  4. Step 4: Simplify right side
    9,363.94x = 71,516,563.65
  5. Step 5: Solve for x
    x = 71,516,563.65/9,363.94
  6. Step 6: Final answer
    x = 7,637.45

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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.