Home / 10,476.91-15,715.84-3,457.53

Finding the Fourth Proportional to 10,476.91, 15,715.84 and 3,457.53

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Solution

The fourth proportional to 10,476.91, 15,715.84 and 3,457.53 is: 5,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.91 : 15,715.84 = 3,457.53 : x
  2. Step 2: Convert to fraction form
    10,476.91/15,715.84 = 3,457.53/x
  3. Step 3: Cross multiply
    10,476.91x = 15,715.84 × 3,457.53
  4. Step 4: Simplify right side
    10,476.91x = 54,337,960.48
  5. Step 5: Solve for x
    x = 54,337,960.48/10,476.91
  6. Step 6: Final answer
    x = 5,186.45

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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.