Home / 7,981.41-11,014.29-4,624.16

Finding the Fourth Proportional to 7,981.41, 11,014.29 and 4,624.16

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Solution

The fourth proportional to 7,981.41, 11,014.29 and 4,624.16 is: 6,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.41 : 11,014.29 = 4,624.16 : x
  2. Step 2: Convert to fraction form
    7,981.41/11,014.29 = 4,624.16/x
  3. Step 3: Cross multiply
    7,981.41x = 11,014.29 × 4,624.16
  4. Step 4: Simplify right side
    7,981.41x = 50,931,784.17
  5. Step 5: Solve for x
    x = 50,931,784.17/7,981.41
  6. Step 6: Final answer
    x = 6,381.30

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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.