Home / 10,554.08-15,838.91-5,007.45

Finding the Fourth Proportional to 10,554.08, 15,838.91 and 5,007.45

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Solution

The fourth proportional to 10,554.08, 15,838.91 and 5,007.45 is: 7,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.08 : 15,838.91 = 5,007.45 : x
  2. Step 2: Convert to fraction form
    10,554.08/15,838.91 = 5,007.45/x
  3. Step 3: Cross multiply
    10,554.08x = 15,838.91 × 5,007.45
  4. Step 4: Simplify right side
    10,554.08x = 79,312,549.88
  5. Step 5: Solve for x
    x = 79,312,549.88/10,554.08
  6. Step 6: Final answer
    x = 7,514.87

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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.