Home / 7,985.23-11,019.74-4,582.80

Finding the Fourth Proportional to 7,985.23, 11,019.74 and 4,582.80

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Solution

The fourth proportional to 7,985.23, 11,019.74 and 4,582.80 is: 6,324.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.23 : 11,019.74 = 4,582.80 : x
  2. Step 2: Convert to fraction form
    7,985.23/11,019.74 = 4,582.80/x
  3. Step 3: Cross multiply
    7,985.23x = 11,019.74 × 4,582.80
  4. Step 4: Simplify right side
    7,985.23x = 50,501,264.47
  5. Step 5: Solve for x
    x = 50,501,264.47/7,985.23
  6. Step 6: Final answer
    x = 6,324.33

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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.