Home / 9,442.61-13,030.57-5,135.59

Finding the Fourth Proportional to 9,442.61, 13,030.57 and 5,135.59

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Solution

The fourth proportional to 9,442.61, 13,030.57 and 5,135.59 is: 7,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,442.61 : 13,030.57 = 5,135.59 : x
  2. Step 2: Convert to fraction form
    9,442.61/13,030.57 = 5,135.59/x
  3. Step 3: Cross multiply
    9,442.61x = 13,030.57 × 5,135.59
  4. Step 4: Simplify right side
    9,442.61x = 66,919,574.16
  5. Step 5: Solve for x
    x = 66,919,574.16/9,442.61
  6. Step 6: Final answer
    x = 7,086.98

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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.