Home / 10,779.02-16,172.54-4,854.12

Finding the Fourth Proportional to 10,779.02, 16,172.54 and 4,854.12

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Solution

The fourth proportional to 10,779.02, 16,172.54 and 4,854.12 is: 7,282.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.02 : 16,172.54 = 4,854.12 : x
  2. Step 2: Convert to fraction form
    10,779.02/16,172.54 = 4,854.12/x
  3. Step 3: Cross multiply
    10,779.02x = 16,172.54 × 4,854.12
  4. Step 4: Simplify right side
    10,779.02x = 78,503,425.59
  5. Step 5: Solve for x
    x = 78,503,425.59/10,779.02
  6. Step 6: Final answer
    x = 7,282.99

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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.