Home / 30,903.48-46,354.68-7,530.12

Finding the Fourth Proportional to 30,903.48, 46,354.68 and 7,530.12

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Solution

The fourth proportional to 30,903.48, 46,354.68 and 7,530.12 is: 11,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.48 : 46,354.68 = 7,530.12 : x
  2. Step 2: Convert to fraction form
    30,903.48/46,354.68 = 7,530.12/x
  3. Step 3: Cross multiply
    30,903.48x = 46,354.68 × 7,530.12
  4. Step 4: Simplify right side
    30,903.48x = 349,056,302.96
  5. Step 5: Solve for x
    x = 349,056,302.96/30,903.48
  6. Step 6: Final answer
    x = 11,295.05

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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.