Home / 10,521.29-14,520.60-5,984.62

Finding the Fourth Proportional to 10,521.29, 14,520.60 and 5,984.62

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Solution

The fourth proportional to 10,521.29, 14,520.60 and 5,984.62 is: 8,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.29 : 14,520.60 = 5,984.62 : x
  2. Step 2: Convert to fraction form
    10,521.29/14,520.60 = 5,984.62/x
  3. Step 3: Cross multiply
    10,521.29x = 14,520.60 × 5,984.62
  4. Step 4: Simplify right side
    10,521.29x = 86,900,236.87
  5. Step 5: Solve for x
    x = 86,900,236.87/10,521.29
  6. Step 6: Final answer
    x = 8,259.46

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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.