Home / 7,756.48-10,709.58-4,776.40

Finding the Fourth Proportional to 7,756.48, 10,709.58 and 4,776.40

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Solution

The fourth proportional to 7,756.48, 10,709.58 and 4,776.40 is: 6,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.48 : 10,709.58 = 4,776.40 : x
  2. Step 2: Convert to fraction form
    7,756.48/10,709.58 = 4,776.40/x
  3. Step 3: Cross multiply
    7,756.48x = 10,709.58 × 4,776.40
  4. Step 4: Simplify right side
    7,756.48x = 51,153,237.91
  5. Step 5: Solve for x
    x = 51,153,237.91/7,756.48
  6. Step 6: Final answer
    x = 6,594.90

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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.