Home / 9,823.13-13,555.91-5,346.87

Finding the Fourth Proportional to 9,823.13, 13,555.91 and 5,346.87

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Solution

The fourth proportional to 9,823.13, 13,555.91 and 5,346.87 is: 7,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,823.13 : 13,555.91 = 5,346.87 : x
  2. Step 2: Convert to fraction form
    9,823.13/13,555.91 = 5,346.87/x
  3. Step 3: Cross multiply
    9,823.13x = 13,555.91 × 5,346.87
  4. Step 4: Simplify right side
    9,823.13x = 72,481,686.83
  5. Step 5: Solve for x
    x = 72,481,686.83/9,823.13
  6. Step 6: Final answer
    x = 7,378.67

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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.