Home / 9,779.58-13,493.40-5,801.64

Finding the Fourth Proportional to 9,779.58, 13,493.40 and 5,801.64

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Solution

The fourth proportional to 9,779.58, 13,493.40 and 5,801.64 is: 8,004.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.58 : 13,493.40 = 5,801.64 : x
  2. Step 2: Convert to fraction form
    9,779.58/13,493.40 = 5,801.64/x
  3. Step 3: Cross multiply
    9,779.58x = 13,493.40 × 5,801.64
  4. Step 4: Simplify right side
    9,779.58x = 78,283,849.18
  5. Step 5: Solve for x
    x = 78,283,849.18/9,779.58
  6. Step 6: Final answer
    x = 8,004.83

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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.