Home / 7,859.13-10,845.66-4,322.40

Finding the Fourth Proportional to 7,859.13, 10,845.66 and 4,322.40

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Solution

The fourth proportional to 7,859.13, 10,845.66 and 4,322.40 is: 5,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.13 : 10,845.66 = 4,322.40 : x
  2. Step 2: Convert to fraction form
    7,859.13/10,845.66 = 4,322.40/x
  3. Step 3: Cross multiply
    7,859.13x = 10,845.66 × 4,322.40
  4. Step 4: Simplify right side
    7,859.13x = 46,879,280.78
  5. Step 5: Solve for x
    x = 46,879,280.78/7,859.13
  6. Step 6: Final answer
    x = 5,964.95

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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.