Home / 7,685.81-10,606.52-4,328.63

Finding the Fourth Proportional to 7,685.81, 10,606.52 and 4,328.63

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Solution

The fourth proportional to 7,685.81, 10,606.52 and 4,328.63 is: 5,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.81 : 10,606.52 = 4,328.63 : x
  2. Step 2: Convert to fraction form
    7,685.81/10,606.52 = 4,328.63/x
  3. Step 3: Cross multiply
    7,685.81x = 10,606.52 × 4,328.63
  4. Step 4: Simplify right side
    7,685.81x = 45,911,700.67
  5. Step 5: Solve for x
    x = 45,911,700.67/7,685.81
  6. Step 6: Final answer
    x = 5,973.57

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Half scale
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Double scale
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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.