Home / 7,054.57-10,530.35-6,540.63

Finding the Fourth Proportional to 7,054.57, 10,530.35 and 6,540.63

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Solution

The fourth proportional to 7,054.57, 10,530.35 and 6,540.63 is: 9,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.57 : 10,530.35 = 6,540.63 : x
  2. Step 2: Convert to fraction form
    7,054.57/10,530.35 = 6,540.63/x
  3. Step 3: Cross multiply
    7,054.57x = 10,530.35 × 6,540.63
  4. Step 4: Simplify right side
    7,054.57x = 68,875,123.12
  5. Step 5: Solve for x
    x = 68,875,123.12/7,054.57
  6. Step 6: Final answer
    x = 9,763.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.