Home / 10,555.04-15,835.62-5,000.72

Finding the Fourth Proportional to 10,555.04, 15,835.62 and 5,000.72

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Solution

The fourth proportional to 10,555.04, 15,835.62 and 5,000.72 is: 7,502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.04 : 15,835.62 = 5,000.72 : x
  2. Step 2: Convert to fraction form
    10,555.04/15,835.62 = 5,000.72/x
  3. Step 3: Cross multiply
    10,555.04x = 15,835.62 × 5,000.72
  4. Step 4: Simplify right side
    10,555.04x = 79,189,501.65
  5. Step 5: Solve for x
    x = 79,189,501.65/10,555.04
  6. Step 6: Final answer
    x = 7,502.53

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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.