Home / 9,477.95-13,081.92-6,458.07

Finding the Fourth Proportional to 9,477.95, 13,081.92 and 6,458.07

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Solution

The fourth proportional to 9,477.95, 13,081.92 and 6,458.07 is: 8,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.95 : 13,081.92 = 6,458.07 : x
  2. Step 2: Convert to fraction form
    9,477.95/13,081.92 = 6,458.07/x
  3. Step 3: Cross multiply
    9,477.95x = 13,081.92 × 6,458.07
  4. Step 4: Simplify right side
    9,477.95x = 84,483,955.09
  5. Step 5: Solve for x
    x = 84,483,955.09/9,477.95
  6. Step 6: Final answer
    x = 8,913.74

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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.