Home / 13,070.13-19,612.86-5,173.38

Finding the Fourth Proportional to 13,070.13, 19,612.86 and 5,173.38

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Solution

The fourth proportional to 13,070.13, 19,612.86 and 5,173.38 is: 7,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.13 : 19,612.86 = 5,173.38 : x
  2. Step 2: Convert to fraction form
    13,070.13/19,612.86 = 5,173.38/x
  3. Step 3: Cross multiply
    13,070.13x = 19,612.86 × 5,173.38
  4. Step 4: Simplify right side
    13,070.13x = 101,464,777.67
  5. Step 5: Solve for x
    x = 101,464,777.67/13,070.13
  6. Step 6: Final answer
    x = 7,763.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.