Home / 10,158.60-14,017.80-5,682.24

Finding the Fourth Proportional to 10,158.60, 14,017.80 and 5,682.24

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Solution

The fourth proportional to 10,158.60, 14,017.80 and 5,682.24 is: 7,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.60 : 14,017.80 = 5,682.24 : x
  2. Step 2: Convert to fraction form
    10,158.60/14,017.80 = 5,682.24/x
  3. Step 3: Cross multiply
    10,158.60x = 14,017.80 × 5,682.24
  4. Step 4: Simplify right side
    10,158.60x = 79,652,503.87
  5. Step 5: Solve for x
    x = 79,652,503.87/10,158.60
  6. Step 6: Final answer
    x = 7,840.89

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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.