Home / 7,860.09-10,845.71-4,673.31

Finding the Fourth Proportional to 7,860.09, 10,845.71 and 4,673.31

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Solution

The fourth proportional to 7,860.09, 10,845.71 and 4,673.31 is: 6,448.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.09 : 10,845.71 = 4,673.31 : x
  2. Step 2: Convert to fraction form
    7,860.09/10,845.71 = 4,673.31/x
  3. Step 3: Cross multiply
    7,860.09x = 10,845.71 × 4,673.31
  4. Step 4: Simplify right side
    7,860.09x = 50,685,405.78
  5. Step 5: Solve for x
    x = 50,685,405.78/7,860.09
  6. Step 6: Final answer
    x = 6,448.45

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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.