Home / 10,265.13-14,153.74-7,240.75

Finding the Fourth Proportional to 10,265.13, 14,153.74 and 7,240.75

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Solution

The fourth proportional to 10,265.13, 14,153.74 and 7,240.75 is: 9,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.13 : 14,153.74 = 7,240.75 : x
  2. Step 2: Convert to fraction form
    10,265.13/14,153.74 = 7,240.75/x
  3. Step 3: Cross multiply
    10,265.13x = 14,153.74 × 7,240.75
  4. Step 4: Simplify right side
    10,265.13x = 102,483,692.91
  5. Step 5: Solve for x
    x = 102,483,692.91/10,265.13
  6. Step 6: Final answer
    x = 9,983.67

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Half scale
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Double scale
Find fourth proportional to 10,266.13, 14,155.12 and 7,241.75
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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.