Home / 9,779.40-14,670.45-3,537.90

Finding the Fourth Proportional to 9,779.40, 14,670.45 and 3,537.90

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Solution

The fourth proportional to 9,779.40, 14,670.45 and 3,537.90 is: 5,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.40 : 14,670.45 = 3,537.90 : x
  2. Step 2: Convert to fraction form
    9,779.40/14,670.45 = 3,537.90/x
  3. Step 3: Cross multiply
    9,779.40x = 14,670.45 × 3,537.90
  4. Step 4: Simplify right side
    9,779.40x = 51,902,585.06
  5. Step 5: Solve for x
    x = 51,902,585.06/9,779.40
  6. Step 6: Final answer
    x = 5,307.34

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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.