Home / 9,717.84-13,408.72-6,535.72

Finding the Fourth Proportional to 9,717.84, 13,408.72 and 6,535.72

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Solution

The fourth proportional to 9,717.84, 13,408.72 and 6,535.72 is: 9,018.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.84 : 13,408.72 = 6,535.72 : x
  2. Step 2: Convert to fraction form
    9,717.84/13,408.72 = 6,535.72/x
  3. Step 3: Cross multiply
    9,717.84x = 13,408.72 × 6,535.72
  4. Step 4: Simplify right side
    9,717.84x = 87,635,639.48
  5. Step 5: Solve for x
    x = 87,635,639.48/9,717.84
  6. Step 6: Final answer
    x = 9,018.02

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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.