Home / 10,397.86-15,591.18-4,547.64

Finding the Fourth Proportional to 10,397.86, 15,591.18 and 4,547.64

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Solution

The fourth proportional to 10,397.86, 15,591.18 and 4,547.64 is: 6,819.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.86 : 15,591.18 = 4,547.64 : x
  2. Step 2: Convert to fraction form
    10,397.86/15,591.18 = 4,547.64/x
  3. Step 3: Cross multiply
    10,397.86x = 15,591.18 × 4,547.64
  4. Step 4: Simplify right side
    10,397.86x = 70,903,073.82
  5. Step 5: Solve for x
    x = 70,903,073.82/10,397.86
  6. Step 6: Final answer
    x = 6,819.01

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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.