Home / 9,973.31-13,760.96-5,779.13

Finding the Fourth Proportional to 9,973.31, 13,760.96 and 5,779.13

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Solution

The fourth proportional to 9,973.31, 13,760.96 and 5,779.13 is: 7,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,973.31 : 13,760.96 = 5,779.13 : x
  2. Step 2: Convert to fraction form
    9,973.31/13,760.96 = 5,779.13/x
  3. Step 3: Cross multiply
    9,973.31x = 13,760.96 × 5,779.13
  4. Step 4: Simplify right side
    9,973.31x = 79,526,279.06
  5. Step 5: Solve for x
    x = 79,526,279.06/9,973.31
  6. Step 6: Final answer
    x = 7,973.91

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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.