Home / 7,561.47-10,432.95-4,724.45

Finding the Fourth Proportional to 7,561.47, 10,432.95 and 4,724.45

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Solution

The fourth proportional to 7,561.47, 10,432.95 and 4,724.45 is: 6,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.47 : 10,432.95 = 4,724.45 : x
  2. Step 2: Convert to fraction form
    7,561.47/10,432.95 = 4,724.45/x
  3. Step 3: Cross multiply
    7,561.47x = 10,432.95 × 4,724.45
  4. Step 4: Simplify right side
    7,561.47x = 49,289,898.46
  5. Step 5: Solve for x
    x = 49,289,898.46/7,561.47
  6. Step 6: Final answer
    x = 6,518.56

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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.