Home / 26,130.43-39,197.15-7,409.01

Finding the Fourth Proportional to 26,130.43, 39,197.15 and 7,409.01

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Solution

The fourth proportional to 26,130.43, 39,197.15 and 7,409.01 is: 11,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.43 : 39,197.15 = 7,409.01 : x
  2. Step 2: Convert to fraction form
    26,130.43/39,197.15 = 7,409.01/x
  3. Step 3: Cross multiply
    26,130.43x = 39,197.15 × 7,409.01
  4. Step 4: Simplify right side
    26,130.43x = 290,411,843.29
  5. Step 5: Solve for x
    x = 290,411,843.29/26,130.43
  6. Step 6: Final answer
    x = 11,113.93

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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.