Home / 9,985.74-14,923.34-9,409.56

Finding the Fourth Proportional to 9,985.74, 14,923.34 and 9,409.56

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Solution

The fourth proportional to 9,985.74, 14,923.34 and 9,409.56 is: 14,062.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.74 : 14,923.34 = 9,409.56 : x
  2. Step 2: Convert to fraction form
    9,985.74/14,923.34 = 9,409.56/x
  3. Step 3: Cross multiply
    9,985.74x = 14,923.34 × 9,409.56
  4. Step 4: Simplify right side
    9,985.74x = 140,422,063.13
  5. Step 5: Solve for x
    x = 140,422,063.13/9,985.74
  6. Step 6: Final answer
    x = 14,062.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.