Home / 11,521.04-15,884.48-7,535.84

Finding the Fourth Proportional to 11,521.04, 15,884.48 and 7,535.84

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Solution

The fourth proportional to 11,521.04, 15,884.48 and 7,535.84 is: 10,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.04 : 15,884.48 = 7,535.84 : x
  2. Step 2: Convert to fraction form
    11,521.04/15,884.48 = 7,535.84/x
  3. Step 3: Cross multiply
    11,521.04x = 15,884.48 × 7,535.84
  4. Step 4: Simplify right side
    11,521.04x = 119,702,899.76
  5. Step 5: Solve for x
    x = 119,702,899.76/11,521.04
  6. Step 6: Final answer
    x = 10,389.94

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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.