Home / 9,328.47-12,875.01-5,349.60

Finding the Fourth Proportional to 9,328.47, 12,875.01 and 5,349.60

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Solution

The fourth proportional to 9,328.47, 12,875.01 and 5,349.60 is: 7,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.47 : 12,875.01 = 5,349.60 : x
  2. Step 2: Convert to fraction form
    9,328.47/12,875.01 = 5,349.60/x
  3. Step 3: Cross multiply
    9,328.47x = 12,875.01 × 5,349.60
  4. Step 4: Simplify right side
    9,328.47x = 68,876,153.50
  5. Step 5: Solve for x
    x = 68,876,153.50/9,328.47
  6. Step 6: Final answer
    x = 7,383.44

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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.