Home / 10,953.36-15,117.12-6,238.08

Finding the Fourth Proportional to 10,953.36, 15,117.12 and 6,238.08

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Solution

The fourth proportional to 10,953.36, 15,117.12 and 6,238.08 is: 8,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.36 : 15,117.12 = 6,238.08 : x
  2. Step 2: Convert to fraction form
    10,953.36/15,117.12 = 6,238.08/x
  3. Step 3: Cross multiply
    10,953.36x = 15,117.12 × 6,238.08
  4. Step 4: Simplify right side
    10,953.36x = 94,301,803.93
  5. Step 5: Solve for x
    x = 94,301,803.93/10,953.36
  6. Step 6: Final answer
    x = 8,609.40

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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.