Home / 7,931.01-11,887.93-5,159.67

Finding the Fourth Proportional to 7,931.01, 11,887.93 and 5,159.67

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Solution

The fourth proportional to 7,931.01, 11,887.93 and 5,159.67 is: 7,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.01 : 11,887.93 = 5,159.67 : x
  2. Step 2: Convert to fraction form
    7,931.01/11,887.93 = 5,159.67/x
  3. Step 3: Cross multiply
    7,931.01x = 11,887.93 × 5,159.67
  4. Step 4: Simplify right side
    7,931.01x = 61,337,795.78
  5. Step 5: Solve for x
    x = 61,337,795.78/7,931.01
  6. Step 6: Final answer
    x = 7,733.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.