Home / 9,343.65-12,895.40-5,364.68

Finding the Fourth Proportional to 9,343.65, 12,895.40 and 5,364.68

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Solution

The fourth proportional to 9,343.65, 12,895.40 and 5,364.68 is: 7,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.65 : 12,895.40 = 5,364.68 : x
  2. Step 2: Convert to fraction form
    9,343.65/12,895.40 = 5,364.68/x
  3. Step 3: Cross multiply
    9,343.65x = 12,895.40 × 5,364.68
  4. Step 4: Simplify right side
    9,343.65x = 69,179,715.94
  5. Step 5: Solve for x
    x = 69,179,715.94/9,343.65
  6. Step 6: Final answer
    x = 7,403.93

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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.