Home / 7,831.93-10,805.09-4,999.41

Finding the Fourth Proportional to 7,831.93, 10,805.09 and 4,999.41

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Solution

The fourth proportional to 7,831.93, 10,805.09 and 4,999.41 is: 6,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.93 : 10,805.09 = 4,999.41 : x
  2. Step 2: Convert to fraction form
    7,831.93/10,805.09 = 4,999.41/x
  3. Step 3: Cross multiply
    7,831.93x = 10,805.09 × 4,999.41
  4. Step 4: Simplify right side
    7,831.93x = 54,019,075.00
  5. Step 5: Solve for x
    x = 54,019,075.00/7,831.93
  6. Step 6: Final answer
    x = 6,897.29

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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.