Home / 10,708.47-16,064.51-3,688.20

Finding the Fourth Proportional to 10,708.47, 16,064.51 and 3,688.20

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Solution

The fourth proportional to 10,708.47, 16,064.51 and 3,688.20 is: 5,532.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.47 : 16,064.51 = 3,688.20 : x
  2. Step 2: Convert to fraction form
    10,708.47/16,064.51 = 3,688.20/x
  3. Step 3: Cross multiply
    10,708.47x = 16,064.51 × 3,688.20
  4. Step 4: Simplify right side
    10,708.47x = 59,249,107.34
  5. Step 5: Solve for x
    x = 59,249,107.34/10,708.47
  6. Step 6: Final answer
    x = 5,532.92

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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.