Home / 9,822.55-13,554.70-5,346.31

Finding the Fourth Proportional to 9,822.55, 13,554.70 and 5,346.31

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Solution

The fourth proportional to 9,822.55, 13,554.70 and 5,346.31 is: 7,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.55 : 13,554.70 = 5,346.31 : x
  2. Step 2: Convert to fraction form
    9,822.55/13,554.70 = 5,346.31/x
  3. Step 3: Cross multiply
    9,822.55x = 13,554.70 × 5,346.31
  4. Step 4: Simplify right side
    9,822.55x = 72,467,533.65
  5. Step 5: Solve for x
    x = 72,467,533.65/9,822.55
  6. Step 6: Final answer
    x = 7,377.67

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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.