Home / 10,721.07-14,795.62-6,472.06

Finding the Fourth Proportional to 10,721.07, 14,795.62 and 6,472.06

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Solution

The fourth proportional to 10,721.07, 14,795.62 and 6,472.06 is: 8,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.07 : 14,795.62 = 6,472.06 : x
  2. Step 2: Convert to fraction form
    10,721.07/14,795.62 = 6,472.06/x
  3. Step 3: Cross multiply
    10,721.07x = 14,795.62 × 6,472.06
  4. Step 4: Simplify right side
    10,721.07x = 95,758,087.21
  5. Step 5: Solve for x
    x = 95,758,087.21/10,721.07
  6. Step 6: Final answer
    x = 8,931.77

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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.