Home / 9,981.63-14,967.15-4,432.56

Finding the Fourth Proportional to 9,981.63, 14,967.15 and 4,432.56

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Solution

The fourth proportional to 9,981.63, 14,967.15 and 4,432.56 is: 6,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.63 : 14,967.15 = 4,432.56 : x
  2. Step 2: Convert to fraction form
    9,981.63/14,967.15 = 4,432.56/x
  3. Step 3: Cross multiply
    9,981.63x = 14,967.15 × 4,432.56
  4. Step 4: Simplify right side
    9,981.63x = 66,342,790.40
  5. Step 5: Solve for x
    x = 66,342,790.40/9,981.63
  6. Step 6: Final answer
    x = 6,646.49

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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.