Home / 10,178.58-15,275.64-4,557.98

Finding the Fourth Proportional to 10,178.58, 15,275.64 and 4,557.98

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Solution

The fourth proportional to 10,178.58, 15,275.64 and 4,557.98 is: 6,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.58 : 15,275.64 = 4,557.98 : x
  2. Step 2: Convert to fraction form
    10,178.58/15,275.64 = 4,557.98/x
  3. Step 3: Cross multiply
    10,178.58x = 15,275.64 × 4,557.98
  4. Step 4: Simplify right side
    10,178.58x = 69,626,061.61
  5. Step 5: Solve for x
    x = 69,626,061.61/10,178.58
  6. Step 6: Final answer
    x = 6,840.45

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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.