Home / 9,779.19-14,670.34-3,538.57

Finding the Fourth Proportional to 9,779.19, 14,670.34 and 3,538.57

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Solution

The fourth proportional to 9,779.19, 14,670.34 and 3,538.57 is: 5,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.19 : 14,670.34 = 3,538.57 : x
  2. Step 2: Convert to fraction form
    9,779.19/14,670.34 = 3,538.57/x
  3. Step 3: Cross multiply
    9,779.19x = 14,670.34 × 3,538.57
  4. Step 4: Simplify right side
    9,779.19x = 51,912,025.01
  5. Step 5: Solve for x
    x = 51,912,025.01/9,779.19
  6. Step 6: Final answer
    x = 5,308.42

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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.