Home / 9,988.48-14,959.35-7,894.43

Finding the Fourth Proportional to 9,988.48, 14,959.35 and 7,894.43

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Solution

The fourth proportional to 9,988.48, 14,959.35 and 7,894.43 is: 11,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.48 : 14,959.35 = 7,894.43 : x
  2. Step 2: Convert to fraction form
    9,988.48/14,959.35 = 7,894.43/x
  3. Step 3: Cross multiply
    9,988.48x = 14,959.35 × 7,894.43
  4. Step 4: Simplify right side
    9,988.48x = 118,095,522.72
  5. Step 5: Solve for x
    x = 118,095,522.72/9,988.48
  6. Step 6: Final answer
    x = 11,823.17

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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.