Home / 13,095.09-19,643.06-5,199.07

Finding the Fourth Proportional to 13,095.09, 19,643.06 and 5,199.07

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Solution

The fourth proportional to 13,095.09, 19,643.06 and 5,199.07 is: 7,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.09 : 19,643.06 = 5,199.07 : x
  2. Step 2: Convert to fraction form
    13,095.09/19,643.06 = 5,199.07/x
  3. Step 3: Cross multiply
    13,095.09x = 19,643.06 × 5,199.07
  4. Step 4: Simplify right side
    13,095.09x = 102,125,643.95
  5. Step 5: Solve for x
    x = 102,125,643.95/13,095.09
  6. Step 6: Final answer
    x = 7,798.77

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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.