Home / 26,312.28-39,468.75-8,782.11

Finding the Fourth Proportional to 26,312.28, 39,468.75 and 8,782.11

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Solution

The fourth proportional to 26,312.28, 39,468.75 and 8,782.11 is: 13,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,312.28 : 39,468.75 = 8,782.11 : x
  2. Step 2: Convert to fraction form
    26,312.28/39,468.75 = 8,782.11/x
  3. Step 3: Cross multiply
    26,312.28x = 39,468.75 × 8,782.11
  4. Step 4: Simplify right side
    26,312.28x = 346,618,904.06
  5. Step 5: Solve for x
    x = 346,618,904.06/26,312.28
  6. Step 6: Final answer
    x = 13,173.28

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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.