Home / 7,868.58-10,858.68-4,511.52

Finding the Fourth Proportional to 7,868.58, 10,858.68 and 4,511.52

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Solution

The fourth proportional to 7,868.58, 10,858.68 and 4,511.52 is: 6,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.58 : 10,858.68 = 4,511.52 : x
  2. Step 2: Convert to fraction form
    7,868.58/10,858.68 = 4,511.52/x
  3. Step 3: Cross multiply
    7,868.58x = 10,858.68 × 4,511.52
  4. Step 4: Simplify right side
    7,868.58x = 48,989,151.99
  5. Step 5: Solve for x
    x = 48,989,151.99/7,868.58
  6. Step 6: Final answer
    x = 6,225.92

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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.