Home / 9,931.36-14,888.40-4,996.84

Finding the Fourth Proportional to 9,931.36, 14,888.40 and 4,996.84

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Solution

The fourth proportional to 9,931.36, 14,888.40 and 4,996.84 is: 7,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.36 : 14,888.40 = 4,996.84 : x
  2. Step 2: Convert to fraction form
    9,931.36/14,888.40 = 4,996.84/x
  3. Step 3: Cross multiply
    9,931.36x = 14,888.40 × 4,996.84
  4. Step 4: Simplify right side
    9,931.36x = 74,394,952.66
  5. Step 5: Solve for x
    x = 74,394,952.66/9,931.36
  6. Step 6: Final answer
    x = 7,490.91

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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.