Home / 7,869.63-10,860.16-4,332.97

Finding the Fourth Proportional to 7,869.63, 10,860.16 and 4,332.97

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Solution

The fourth proportional to 7,869.63, 10,860.16 and 4,332.97 is: 5,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.63 : 10,860.16 = 4,332.97 : x
  2. Step 2: Convert to fraction form
    7,869.63/10,860.16 = 4,332.97/x
  3. Step 3: Cross multiply
    7,869.63x = 10,860.16 × 4,332.97
  4. Step 4: Simplify right side
    7,869.63x = 47,056,746.08
  5. Step 5: Solve for x
    x = 47,056,746.08/7,869.63
  6. Step 6: Final answer
    x = 5,979.54

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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.