Home / 10,626.84-15,940.12-4,779.32

Finding the Fourth Proportional to 10,626.84, 15,940.12 and 4,779.32

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Solution

The fourth proportional to 10,626.84, 15,940.12 and 4,779.32 is: 7,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.84 : 15,940.12 = 4,779.32 : x
  2. Step 2: Convert to fraction form
    10,626.84/15,940.12 = 4,779.32/x
  3. Step 3: Cross multiply
    10,626.84x = 15,940.12 × 4,779.32
  4. Step 4: Simplify right side
    10,626.84x = 76,182,934.32
  5. Step 5: Solve for x
    x = 76,182,934.32/10,626.84
  6. Step 6: Final answer
    x = 7,168.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.