Home / 7,867.47-10,860.51-5,625.45

Finding the Fourth Proportional to 7,867.47, 10,860.51 and 5,625.45

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Solution

The fourth proportional to 7,867.47, 10,860.51 and 5,625.45 is: 7,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.47 : 10,860.51 = 5,625.45 : x
  2. Step 2: Convert to fraction form
    7,867.47/10,860.51 = 5,625.45/x
  3. Step 3: Cross multiply
    7,867.47x = 10,860.51 × 5,625.45
  4. Step 4: Simplify right side
    7,867.47x = 61,095,255.98
  5. Step 5: Solve for x
    x = 61,095,255.98/7,867.47
  6. Step 6: Final answer
    x = 7,765.55

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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.