Home / 7,477.04-10,311.72-5,487.32

Finding the Fourth Proportional to 7,477.04, 10,311.72 and 5,487.32

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Solution

The fourth proportional to 7,477.04, 10,311.72 and 5,487.32 is: 7,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.04 : 10,311.72 = 5,487.32 : x
  2. Step 2: Convert to fraction form
    7,477.04/10,311.72 = 5,487.32/x
  3. Step 3: Cross multiply
    7,477.04x = 10,311.72 × 5,487.32
  4. Step 4: Simplify right side
    7,477.04x = 56,583,707.39
  5. Step 5: Solve for x
    x = 56,583,707.39/7,477.04
  6. Step 6: Final answer
    x = 7,567.66

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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.