Home / 9,320.54-12,860.98-5,341.01

Finding the Fourth Proportional to 9,320.54, 12,860.98 and 5,341.01

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Solution

The fourth proportional to 9,320.54, 12,860.98 and 5,341.01 is: 7,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.54 : 12,860.98 = 5,341.01 : x
  2. Step 2: Convert to fraction form
    9,320.54/12,860.98 = 5,341.01/x
  3. Step 3: Cross multiply
    9,320.54x = 12,860.98 × 5,341.01
  4. Step 4: Simplify right side
    9,320.54x = 68,690,545.13
  5. Step 5: Solve for x
    x = 68,690,545.13/9,320.54
  6. Step 6: Final answer
    x = 7,369.81

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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.