Home / 9,424.80-14,153.40-9,133.20

Finding the Fourth Proportional to 9,424.80, 14,153.40 and 9,133.20

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Solution

The fourth proportional to 9,424.80, 14,153.40 and 9,133.20 is: 13,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424.80 : 14,153.40 = 9,133.20 : x
  2. Step 2: Convert to fraction form
    9,424.80/14,153.40 = 9,133.20/x
  3. Step 3: Cross multiply
    9,424.80x = 14,153.40 × 9,133.20
  4. Step 4: Simplify right side
    9,424.80x = 129,265,832.88
  5. Step 5: Solve for x
    x = 129,265,832.88/9,424.80
  6. Step 6: Final answer
    x = 13,715.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.