Home / 7,548.71-11,335.80-4,920.67

Finding the Fourth Proportional to 7,548.71, 11,335.80 and 4,920.67

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Solution

The fourth proportional to 7,548.71, 11,335.80 and 4,920.67 is: 7,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.71 : 11,335.80 = 4,920.67 : x
  2. Step 2: Convert to fraction form
    7,548.71/11,335.80 = 4,920.67/x
  3. Step 3: Cross multiply
    7,548.71x = 11,335.80 × 4,920.67
  4. Step 4: Simplify right side
    7,548.71x = 55,779,674.31
  5. Step 5: Solve for x
    x = 55,779,674.31/7,548.71
  6. Step 6: Final answer
    x = 7,389.30

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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.