Home / 10,879.26-15,004.81-7,292.98

Finding the Fourth Proportional to 10,879.26, 15,004.81 and 7,292.98

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Solution

The fourth proportional to 10,879.26, 15,004.81 and 7,292.98 is: 10,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.26 : 15,004.81 = 7,292.98 : x
  2. Step 2: Convert to fraction form
    10,879.26/15,004.81 = 7,292.98/x
  3. Step 3: Cross multiply
    10,879.26x = 15,004.81 × 7,292.98
  4. Step 4: Simplify right side
    10,879.26x = 109,429,779.23
  5. Step 5: Solve for x
    x = 109,429,779.23/10,879.26
  6. Step 6: Final answer
    x = 10,058.57

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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.