Home / 30,263.67-45,395.36-7,774.33

Finding the Fourth Proportional to 30,263.67, 45,395.36 and 7,774.33

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Solution

The fourth proportional to 30,263.67, 45,395.36 and 7,774.33 is: 11,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.67 : 45,395.36 = 7,774.33 : x
  2. Step 2: Convert to fraction form
    30,263.67/45,395.36 = 7,774.33/x
  3. Step 3: Cross multiply
    30,263.67x = 45,395.36 × 7,774.33
  4. Step 4: Simplify right side
    30,263.67x = 352,918,509.11
  5. Step 5: Solve for x
    x = 352,918,509.11/30,263.67
  6. Step 6: Final answer
    x = 11,661.46

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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.