Home / 9,030.48-12,477.68-7,455.84

Finding the Fourth Proportional to 9,030.48, 12,477.68 and 7,455.84

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Solution

The fourth proportional to 9,030.48, 12,477.68 and 7,455.84 is: 10,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.48 : 12,477.68 = 7,455.84 : x
  2. Step 2: Convert to fraction form
    9,030.48/12,477.68 = 7,455.84/x
  3. Step 3: Cross multiply
    9,030.48x = 12,477.68 × 7,455.84
  4. Step 4: Simplify right side
    9,030.48x = 93,031,585.65
  5. Step 5: Solve for x
    x = 93,031,585.65/9,030.48
  6. Step 6: Final answer
    x = 10,301.95

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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.