Home / 9,822.74-13,555.19-5,346.59

Finding the Fourth Proportional to 9,822.74, 13,555.19 and 5,346.59

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Solution

The fourth proportional to 9,822.74, 13,555.19 and 5,346.59 is: 7,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.74 : 13,555.19 = 5,346.59 : x
  2. Step 2: Convert to fraction form
    9,822.74/13,555.19 = 5,346.59/x
  3. Step 3: Cross multiply
    9,822.74x = 13,555.19 × 5,346.59
  4. Step 4: Simplify right side
    9,822.74x = 72,473,948.79
  5. Step 5: Solve for x
    x = 72,473,948.79/9,822.74
  6. Step 6: Final answer
    x = 7,378.18

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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.