Home / 9,318.61-13,970.55-4,636.06

Finding the Fourth Proportional to 9,318.61, 13,970.55 and 4,636.06

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Solution

The fourth proportional to 9,318.61, 13,970.55 and 4,636.06 is: 6,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.61 : 13,970.55 = 4,636.06 : x
  2. Step 2: Convert to fraction form
    9,318.61/13,970.55 = 4,636.06/x
  3. Step 3: Cross multiply
    9,318.61x = 13,970.55 × 4,636.06
  4. Step 4: Simplify right side
    9,318.61x = 64,768,290.49
  5. Step 5: Solve for x
    x = 64,768,290.49/9,318.61
  6. Step 6: Final answer
    x = 6,950.43

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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.