Home / 30,851.13-46,276.70-7,477.57

Finding the Fourth Proportional to 30,851.13, 46,276.70 and 7,477.57

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Solution

The fourth proportional to 30,851.13, 46,276.70 and 7,477.57 is: 11,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.13 : 46,276.70 = 7,477.57 : x
  2. Step 2: Convert to fraction form
    30,851.13/46,276.70 = 7,477.57/x
  3. Step 3: Cross multiply
    30,851.13x = 46,276.70 × 7,477.57
  4. Step 4: Simplify right side
    30,851.13x = 346,037,263.62
  5. Step 5: Solve for x
    x = 346,037,263.62/30,851.13
  6. Step 6: Final answer
    x = 11,216.36

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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.