Home / 12,859.02-19,293.99-5,465.07

Finding the Fourth Proportional to 12,859.02, 19,293.99 and 5,465.07

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Solution

The fourth proportional to 12,859.02, 19,293.99 and 5,465.07 is: 8,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.02 : 19,293.99 = 5,465.07 : x
  2. Step 2: Convert to fraction form
    12,859.02/19,293.99 = 5,465.07/x
  3. Step 3: Cross multiply
    12,859.02x = 19,293.99 × 5,465.07
  4. Step 4: Simplify right side
    12,859.02x = 105,443,005.93
  5. Step 5: Solve for x
    x = 105,443,005.93/12,859.02
  6. Step 6: Final answer
    x = 8,199.93

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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.