Home / 10,551.57-14,573.13-7,188.54

Finding the Fourth Proportional to 10,551.57, 14,573.13 and 7,188.54

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Solution

The fourth proportional to 10,551.57, 14,573.13 and 7,188.54 is: 9,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.57 : 14,573.13 = 7,188.54 : x
  2. Step 2: Convert to fraction form
    10,551.57/14,573.13 = 7,188.54/x
  3. Step 3: Cross multiply
    10,551.57x = 14,573.13 × 7,188.54
  4. Step 4: Simplify right side
    10,551.57x = 104,759,527.93
  5. Step 5: Solve for x
    x = 104,759,527.93/10,551.57
  6. Step 6: Final answer
    x = 9,928.34

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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.