Home / 10,748.16-16,119.36-2,957.40

Finding the Fourth Proportional to 10,748.16, 16,119.36 and 2,957.40

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Solution

The fourth proportional to 10,748.16, 16,119.36 and 2,957.40 is: 4,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.16 : 16,119.36 = 2,957.40 : x
  2. Step 2: Convert to fraction form
    10,748.16/16,119.36 = 2,957.40/x
  3. Step 3: Cross multiply
    10,748.16x = 16,119.36 × 2,957.40
  4. Step 4: Simplify right side
    10,748.16x = 47,671,395.26
  5. Step 5: Solve for x
    x = 47,671,395.26/10,748.16
  6. Step 6: Final answer
    x = 4,435.31

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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.