Home / 7,881.12-10,875.96-4,344.35

Finding the Fourth Proportional to 7,881.12, 10,875.96 and 4,344.35

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Solution

The fourth proportional to 7,881.12, 10,875.96 and 4,344.35 is: 5,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.12 : 10,875.96 = 4,344.35 : x
  2. Step 2: Convert to fraction form
    7,881.12/10,875.96 = 4,344.35/x
  3. Step 3: Cross multiply
    7,881.12x = 10,875.96 × 4,344.35
  4. Step 4: Simplify right side
    7,881.12x = 47,248,922.45
  5. Step 5: Solve for x
    x = 47,248,922.45/7,881.12
  6. Step 6: Final answer
    x = 5,995.20

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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.