Home / 10,937.32-16,320.63-9,759.21

Finding the Fourth Proportional to 10,937.32, 16,320.63 and 9,759.21

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Solution

The fourth proportional to 10,937.32, 16,320.63 and 9,759.21 is: 14,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.32 : 16,320.63 = 9,759.21 : x
  2. Step 2: Convert to fraction form
    10,937.32/16,320.63 = 9,759.21/x
  3. Step 3: Cross multiply
    10,937.32x = 16,320.63 × 9,759.21
  4. Step 4: Simplify right side
    10,937.32x = 159,276,455.50
  5. Step 5: Solve for x
    x = 159,276,455.50/10,937.32
  6. Step 6: Final answer
    x = 14,562.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.