Home / 10,692.36-14,756.45-5,978.16

Finding the Fourth Proportional to 10,692.36, 14,756.45 and 5,978.16

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Solution

The fourth proportional to 10,692.36, 14,756.45 and 5,978.16 is: 8,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.36 : 14,756.45 = 5,978.16 : x
  2. Step 2: Convert to fraction form
    10,692.36/14,756.45 = 5,978.16/x
  3. Step 3: Cross multiply
    10,692.36x = 14,756.45 × 5,978.16
  4. Step 4: Simplify right side
    10,692.36x = 88,216,389.24
  5. Step 5: Solve for x
    x = 88,216,389.24/10,692.36
  6. Step 6: Final answer
    x = 8,250.41

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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.