Home / 11,883.40-17,810.70-5,302.60

Finding the Fourth Proportional to 11,883.40, 17,810.70 and 5,302.60

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Solution

The fourth proportional to 11,883.40, 17,810.70 and 5,302.60 is: 7,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.40 : 17,810.70 = 5,302.60 : x
  2. Step 2: Convert to fraction form
    11,883.40/17,810.70 = 5,302.60/x
  3. Step 3: Cross multiply
    11,883.40x = 17,810.70 × 5,302.60
  4. Step 4: Simplify right side
    11,883.40x = 94,443,017.82
  5. Step 5: Solve for x
    x = 94,443,017.82/11,883.40
  6. Step 6: Final answer
    x = 7,947.47

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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.