Home / 9,368.62-12,931.46-5,392.53

Finding the Fourth Proportional to 9,368.62, 12,931.46 and 5,392.53

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Solution

The fourth proportional to 9,368.62, 12,931.46 and 5,392.53 is: 7,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.62 : 12,931.46 = 5,392.53 : x
  2. Step 2: Convert to fraction form
    9,368.62/12,931.46 = 5,392.53/x
  3. Step 3: Cross multiply
    9,368.62x = 12,931.46 × 5,392.53
  4. Step 4: Simplify right side
    9,368.62x = 69,733,285.99
  5. Step 5: Solve for x
    x = 69,733,285.99/9,368.62
  6. Step 6: Final answer
    x = 7,443.28

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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.