Home / 42,846.46-64,269.01-11,681.71

Finding the Fourth Proportional to 42,846.46, 64,269.01 and 11,681.71

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Solution

The fourth proportional to 42,846.46, 64,269.01 and 11,681.71 is: 17,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,846.46 : 64,269.01 = 11,681.71 : x
  2. Step 2: Convert to fraction form
    42,846.46/64,269.01 = 11,681.71/x
  3. Step 3: Cross multiply
    42,846.46x = 64,269.01 × 11,681.71
  4. Step 4: Simplify right side
    42,846.46x = 750,771,936.81
  5. Step 5: Solve for x
    x = 750,771,936.81/42,846.46
  6. Step 6: Final answer
    x = 17,522.38

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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.