Home / 7,845.77-10,822.65-4,700.14

Finding the Fourth Proportional to 7,845.77, 10,822.65 and 4,700.14

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Solution

The fourth proportional to 7,845.77, 10,822.65 and 4,700.14 is: 6,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.77 : 10,822.65 = 4,700.14 : x
  2. Step 2: Convert to fraction form
    7,845.77/10,822.65 = 4,700.14/x
  3. Step 3: Cross multiply
    7,845.77x = 10,822.65 × 4,700.14
  4. Step 4: Simplify right side
    7,845.77x = 50,867,925.49
  5. Step 5: Solve for x
    x = 50,867,925.49/7,845.77
  6. Step 6: Final answer
    x = 6,483.48

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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.