Home / 13,094.85-18,070.32-7,126.17

Finding the Fourth Proportional to 13,094.85, 18,070.32 and 7,126.17

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Solution

The fourth proportional to 13,094.85, 18,070.32 and 7,126.17 is: 9,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.85 : 18,070.32 = 7,126.17 : x
  2. Step 2: Convert to fraction form
    13,094.85/18,070.32 = 7,126.17/x
  3. Step 3: Cross multiply
    13,094.85x = 18,070.32 × 7,126.17
  4. Step 4: Simplify right side
    13,094.85x = 128,772,172.27
  5. Step 5: Solve for x
    x = 128,772,172.27/13,094.85
  6. Step 6: Final answer
    x = 9,833.80

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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.