Home / 9,877.23-13,631.51-5,401.67

Finding the Fourth Proportional to 9,877.23, 13,631.51 and 5,401.67

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Solution

The fourth proportional to 9,877.23, 13,631.51 and 5,401.67 is: 7,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.23 : 13,631.51 = 5,401.67 : x
  2. Step 2: Convert to fraction form
    9,877.23/13,631.51 = 5,401.67/x
  3. Step 3: Cross multiply
    9,877.23x = 13,631.51 × 5,401.67
  4. Step 4: Simplify right side
    9,877.23x = 73,632,863.97
  5. Step 5: Solve for x
    x = 73,632,863.97/9,877.23
  6. Step 6: Final answer
    x = 7,454.81

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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.