Home / 7,868.93-10,859.31-4,332.35

Finding the Fourth Proportional to 7,868.93, 10,859.31 and 4,332.35

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Solution

The fourth proportional to 7,868.93, 10,859.31 and 4,332.35 is: 5,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.93 : 10,859.31 = 4,332.35 : x
  2. Step 2: Convert to fraction form
    7,868.93/10,859.31 = 4,332.35/x
  3. Step 3: Cross multiply
    7,868.93x = 10,859.31 × 4,332.35
  4. Step 4: Simplify right side
    7,868.93x = 47,046,277.38
  5. Step 5: Solve for x
    x = 47,046,277.38/7,868.93
  6. Step 6: Final answer
    x = 5,978.74

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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.