Home / 9,717.75-13,410.50-5,526.81

Finding the Fourth Proportional to 9,717.75, 13,410.50 and 5,526.81

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Solution

The fourth proportional to 9,717.75, 13,410.50 and 5,526.81 is: 7,627.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.75 : 13,410.50 = 5,526.81 : x
  2. Step 2: Convert to fraction form
    9,717.75/13,410.50 = 5,526.81/x
  3. Step 3: Cross multiply
    9,717.75x = 13,410.50 × 5,526.81
  4. Step 4: Simplify right side
    9,717.75x = 74,117,257.87
  5. Step 5: Solve for x
    x = 74,117,257.87/9,717.75
  6. Step 6: Final answer
    x = 7,627.00

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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.