Home / 9,607.78-13,260.02-5,630.47

Finding the Fourth Proportional to 9,607.78, 13,260.02 and 5,630.47

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Solution

The fourth proportional to 9,607.78, 13,260.02 and 5,630.47 is: 7,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,607.78 : 13,260.02 = 5,630.47 : x
  2. Step 2: Convert to fraction form
    9,607.78/13,260.02 = 5,630.47/x
  3. Step 3: Cross multiply
    9,607.78x = 13,260.02 × 5,630.47
  4. Step 4: Simplify right side
    9,607.78x = 74,660,144.81
  5. Step 5: Solve for x
    x = 74,660,144.81/9,607.78
  6. Step 6: Final answer
    x = 7,770.80

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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.