Home / 9,823.35-13,556-5,346.99

Finding the Fourth Proportional to 9,823.35, 13,556 and 5,346.99

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Solution

The fourth proportional to 9,823.35, 13,556 and 5,346.99 is: 7,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,823.35 : 13,556 = 5,346.99 : x
  2. Step 2: Convert to fraction form
    9,823.35/13,556 = 5,346.99/x
  3. Step 3: Cross multiply
    9,823.35x = 13,556 × 5,346.99
  4. Step 4: Simplify right side
    9,823.35x = 72,483,796.44
  5. Step 5: Solve for x
    x = 72,483,796.44/9,823.35
  6. Step 6: Final answer
    x = 7,378.72

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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.