Home / 10,741.38-14,813.19-7,158.35

Finding the Fourth Proportional to 10,741.38, 14,813.19 and 7,158.35

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Solution

The fourth proportional to 10,741.38, 14,813.19 and 7,158.35 is: 9,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,741.38 : 14,813.19 = 7,158.35 : x
  2. Step 2: Convert to fraction form
    10,741.38/14,813.19 = 7,158.35/x
  3. Step 3: Cross multiply
    10,741.38x = 14,813.19 × 7,158.35
  4. Step 4: Simplify right side
    10,741.38x = 106,037,924.57
  5. Step 5: Solve for x
    x = 106,037,924.57/10,741.38
  6. Step 6: Final answer
    x = 9,871.91

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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.