Home / 7,868.66-10,858.55-4,513.46

Finding the Fourth Proportional to 7,868.66, 10,858.55 and 4,513.46

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Solution

The fourth proportional to 7,868.66, 10,858.55 and 4,513.46 is: 6,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.66 : 10,858.55 = 4,513.46 : x
  2. Step 2: Convert to fraction form
    7,868.66/10,858.55 = 4,513.46/x
  3. Step 3: Cross multiply
    7,868.66x = 10,858.55 × 4,513.46
  4. Step 4: Simplify right side
    7,868.66x = 49,009,554.22
  5. Step 5: Solve for x
    x = 49,009,554.22/7,868.66
  6. Step 6: Final answer
    x = 6,228.45

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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.