Home / 9,823.04-13,555.78-5,346.78

Finding the Fourth Proportional to 9,823.04, 13,555.78 and 5,346.78

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Solution

The fourth proportional to 9,823.04, 13,555.78 and 5,346.78 is: 7,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,823.04 : 13,555.78 = 5,346.78 : x
  2. Step 2: Convert to fraction form
    9,823.04/13,555.78 = 5,346.78/x
  3. Step 3: Cross multiply
    9,823.04x = 13,555.78 × 5,346.78
  4. Step 4: Simplify right side
    9,823.04x = 72,479,724.23
  5. Step 5: Solve for x
    x = 72,479,724.23/9,823.04
  6. Step 6: Final answer
    x = 7,378.54

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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.