Home / 9,619.93-13,275.44-5,370.74

Finding the Fourth Proportional to 9,619.93, 13,275.44 and 5,370.74

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Solution

The fourth proportional to 9,619.93, 13,275.44 and 5,370.74 is: 7,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.93 : 13,275.44 = 5,370.74 : x
  2. Step 2: Convert to fraction form
    9,619.93/13,275.44 = 5,370.74/x
  3. Step 3: Cross multiply
    9,619.93x = 13,275.44 × 5,370.74
  4. Step 4: Simplify right side
    9,619.93x = 71,298,936.63
  5. Step 5: Solve for x
    x = 71,298,936.63/9,619.93
  6. Step 6: Final answer
    x = 7,411.59

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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.