Home / 10,173.48-14,039.64-5,697.12

Finding the Fourth Proportional to 10,173.48, 14,039.64 and 5,697.12

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Solution

The fourth proportional to 10,173.48, 14,039.64 and 5,697.12 is: 7,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.48 : 14,039.64 = 5,697.12 : x
  2. Step 2: Convert to fraction form
    10,173.48/14,039.64 = 5,697.12/x
  3. Step 3: Cross multiply
    10,173.48x = 14,039.64 × 5,697.12
  4. Step 4: Simplify right side
    10,173.48x = 79,985,513.84
  5. Step 5: Solve for x
    x = 79,985,513.84/10,173.48
  6. Step 6: Final answer
    x = 7,862.16

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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.