Home / 10,173.08-14,019.96-6,987.32

Finding the Fourth Proportional to 10,173.08, 14,019.96 and 6,987.32

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Solution

The fourth proportional to 10,173.08, 14,019.96 and 6,987.32 is: 9,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.08 : 14,019.96 = 6,987.32 : x
  2. Step 2: Convert to fraction form
    10,173.08/14,019.96 = 6,987.32/x
  3. Step 3: Cross multiply
    10,173.08x = 14,019.96 × 6,987.32
  4. Step 4: Simplify right side
    10,173.08x = 97,961,946.91
  5. Step 5: Solve for x
    x = 97,961,946.91/10,173.08
  6. Step 6: Final answer
    x = 9,629.53

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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.