Home / 7,715.24-10,646.51-4,358.19

Finding the Fourth Proportional to 7,715.24, 10,646.51 and 4,358.19

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Solution

The fourth proportional to 7,715.24, 10,646.51 and 4,358.19 is: 6,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.24 : 10,646.51 = 4,358.19 : x
  2. Step 2: Convert to fraction form
    7,715.24/10,646.51 = 4,358.19/x
  3. Step 3: Cross multiply
    7,715.24x = 10,646.51 × 4,358.19
  4. Step 4: Simplify right side
    7,715.24x = 46,399,491.63
  5. Step 5: Solve for x
    x = 46,399,491.63/7,715.24
  6. Step 6: Final answer
    x = 6,014.01

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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.