Home / 9,165.42-12,648.28-4,973.67

Finding the Fourth Proportional to 9,165.42, 12,648.28 and 4,973.67

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Solution

The fourth proportional to 9,165.42, 12,648.28 and 4,973.67 is: 6,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.42 : 12,648.28 = 4,973.67 : x
  2. Step 2: Convert to fraction form
    9,165.42/12,648.28 = 4,973.67/x
  3. Step 3: Cross multiply
    9,165.42x = 12,648.28 × 4,973.67
  4. Step 4: Simplify right side
    9,165.42x = 62,908,345.92
  5. Step 5: Solve for x
    x = 62,908,345.92/9,165.42
  6. Step 6: Final answer
    x = 6,863.66

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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.