Home / 8,670.29-11,962.91-5,267.23

Finding the Fourth Proportional to 8,670.29, 11,962.91 and 5,267.23

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Solution

The fourth proportional to 8,670.29, 11,962.91 and 5,267.23 is: 7,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.29 : 11,962.91 = 5,267.23 : x
  2. Step 2: Convert to fraction form
    8,670.29/11,962.91 = 5,267.23/x
  3. Step 3: Cross multiply
    8,670.29x = 11,962.91 × 5,267.23
  4. Step 4: Simplify right side
    8,670.29x = 63,011,381.70
  5. Step 5: Solve for x
    x = 63,011,381.70/8,670.29
  6. Step 6: Final answer
    x = 7,267.51

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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.