Home / 10,638.96-14,681.44-5,859.02

Finding the Fourth Proportional to 10,638.96, 14,681.44 and 5,859.02

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Solution

The fourth proportional to 10,638.96, 14,681.44 and 5,859.02 is: 8,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.96 : 14,681.44 = 5,859.02 : x
  2. Step 2: Convert to fraction form
    10,638.96/14,681.44 = 5,859.02/x
  3. Step 3: Cross multiply
    10,638.96x = 14,681.44 × 5,859.02
  4. Step 4: Simplify right side
    10,638.96x = 86,018,850.59
  5. Step 5: Solve for x
    x = 86,018,850.59/10,638.96
  6. Step 6: Final answer
    x = 8,085.27

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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.