Home / 9,911.23-13,677.32-5,435.01

Finding the Fourth Proportional to 9,911.23, 13,677.32 and 5,435.01

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Solution

The fourth proportional to 9,911.23, 13,677.32 and 5,435.01 is: 7,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.23 : 13,677.32 = 5,435.01 : x
  2. Step 2: Convert to fraction form
    9,911.23/13,677.32 = 5,435.01/x
  3. Step 3: Cross multiply
    9,911.23x = 13,677.32 × 5,435.01
  4. Step 4: Simplify right side
    9,911.23x = 74,336,384.56
  5. Step 5: Solve for x
    x = 74,336,384.56/9,911.23
  6. Step 6: Final answer
    x = 7,500.22

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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.