Home / 30,888.95-46,333.42-7,515.18

Finding the Fourth Proportional to 30,888.95, 46,333.42 and 7,515.18

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Solution

The fourth proportional to 30,888.95, 46,333.42 and 7,515.18 is: 11,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.95 : 46,333.42 = 7,515.18 : x
  2. Step 2: Convert to fraction form
    30,888.95/46,333.42 = 7,515.18/x
  3. Step 3: Cross multiply
    30,888.95x = 46,333.42 × 7,515.18
  4. Step 4: Simplify right side
    30,888.95x = 348,203,972.53
  5. Step 5: Solve for x
    x = 348,203,972.53/30,888.95
  6. Step 6: Final answer
    x = 11,272.77

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Double scale
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Similar ratio
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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.