Home / 10,719.52-16,074.02-4,477.68

Finding the Fourth Proportional to 10,719.52, 16,074.02 and 4,477.68

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Solution

The fourth proportional to 10,719.52, 16,074.02 and 4,477.68 is: 6,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.52 : 16,074.02 = 4,477.68 : x
  2. Step 2: Convert to fraction form
    10,719.52/16,074.02 = 4,477.68/x
  3. Step 3: Cross multiply
    10,719.52x = 16,074.02 × 4,477.68
  4. Step 4: Simplify right side
    10,719.52x = 71,974,317.87
  5. Step 5: Solve for x
    x = 71,974,317.87/10,719.52
  6. Step 6: Final answer
    x = 6,714.32

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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.