Home / 10,859.23-14,985.90-6,610.47

Finding the Fourth Proportional to 10,859.23, 14,985.90 and 6,610.47

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Solution

The fourth proportional to 10,859.23, 14,985.90 and 6,610.47 is: 9,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.23 : 14,985.90 = 6,610.47 : x
  2. Step 2: Convert to fraction form
    10,859.23/14,985.90 = 6,610.47/x
  3. Step 3: Cross multiply
    10,859.23x = 14,985.90 × 6,610.47
  4. Step 4: Simplify right side
    10,859.23x = 99,063,846.92
  5. Step 5: Solve for x
    x = 99,063,846.92/10,859.23
  6. Step 6: Final answer
    x = 9,122.55

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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.