Home / 7,865.18-10,852.70-4,507.35

Finding the Fourth Proportional to 7,865.18, 10,852.70 and 4,507.35

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Solution

The fourth proportional to 7,865.18, 10,852.70 and 4,507.35 is: 6,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.18 : 10,852.70 = 4,507.35 : x
  2. Step 2: Convert to fraction form
    7,865.18/10,852.70 = 4,507.35/x
  3. Step 3: Cross multiply
    7,865.18x = 10,852.70 × 4,507.35
  4. Step 4: Simplify right side
    7,865.18x = 48,916,894.81
  5. Step 5: Solve for x
    x = 48,916,894.81/7,865.18
  6. Step 6: Final answer
    x = 6,219.43

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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.