Home / 7,750.56-10,686.96-5,884.32

Finding the Fourth Proportional to 7,750.56, 10,686.96 and 5,884.32

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Solution

The fourth proportional to 7,750.56, 10,686.96 and 5,884.32 is: 8,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.56 : 10,686.96 = 5,884.32 : x
  2. Step 2: Convert to fraction form
    7,750.56/10,686.96 = 5,884.32/x
  3. Step 3: Cross multiply
    7,750.56x = 10,686.96 × 5,884.32
  4. Step 4: Simplify right side
    7,750.56x = 62,885,492.47
  5. Step 5: Solve for x
    x = 62,885,492.47/7,750.56
  6. Step 6: Final answer
    x = 8,113.67

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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.