Home / 10,397.15-14,347.85-5,681.46

Finding the Fourth Proportional to 10,397.15, 14,347.85 and 5,681.46

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Solution

The fourth proportional to 10,397.15, 14,347.85 and 5,681.46 is: 7,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.15 : 14,347.85 = 5,681.46 : x
  2. Step 2: Convert to fraction form
    10,397.15/14,347.85 = 5,681.46/x
  3. Step 3: Cross multiply
    10,397.15x = 14,347.85 × 5,681.46
  4. Step 4: Simplify right side
    10,397.15x = 81,516,735.86
  5. Step 5: Solve for x
    x = 81,516,735.86/10,397.15
  6. Step 6: Final answer
    x = 7,840.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.