Home / 10,347.24-14,280.12-5,871.18

Finding the Fourth Proportional to 10,347.24, 14,280.12 and 5,871.18

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Solution

The fourth proportional to 10,347.24, 14,280.12 and 5,871.18 is: 8,102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.24 : 14,280.12 = 5,871.18 : x
  2. Step 2: Convert to fraction form
    10,347.24/14,280.12 = 5,871.18/x
  3. Step 3: Cross multiply
    10,347.24x = 14,280.12 × 5,871.18
  4. Step 4: Simplify right side
    10,347.24x = 83,841,154.94
  5. Step 5: Solve for x
    x = 83,841,154.94/10,347.24
  6. Step 6: Final answer
    x = 8,102.76

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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.