Home / 7,931.93-10,947.15-6,040.85

Finding the Fourth Proportional to 7,931.93, 10,947.15 and 6,040.85

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Solution

The fourth proportional to 7,931.93, 10,947.15 and 6,040.85 is: 8,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.93 : 10,947.15 = 6,040.85 : x
  2. Step 2: Convert to fraction form
    7,931.93/10,947.15 = 6,040.85/x
  3. Step 3: Cross multiply
    7,931.93x = 10,947.15 × 6,040.85
  4. Step 4: Simplify right side
    7,931.93x = 66,130,036.34
  5. Step 5: Solve for x
    x = 66,130,036.34/7,931.93
  6. Step 6: Final answer
    x = 8,337.20

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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.