Home / 7,854.18-10,840.35-4,666.87

Finding the Fourth Proportional to 7,854.18, 10,840.35 and 4,666.87

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Solution

The fourth proportional to 7,854.18, 10,840.35 and 4,666.87 is: 6,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.18 : 10,840.35 = 4,666.87 : x
  2. Step 2: Convert to fraction form
    7,854.18/10,840.35 = 4,666.87/x
  3. Step 3: Cross multiply
    7,854.18x = 10,840.35 × 4,666.87
  4. Step 4: Simplify right side
    7,854.18x = 50,590,504.20
  5. Step 5: Solve for x
    x = 50,590,504.20/7,854.18
  6. Step 6: Final answer
    x = 6,441.22

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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.